Iranian Journal of Mathematical Chemistry

Keyword Index

A

ABC Index Some Topological Indices of Nanostar Dendrimers [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 57-65]
ABC Index A Note on Atom Bond Connectivity Index [Volume 3, Supplement 1, 2012, Pages 67-75]
Ab initio Aromaticity of fullerenes, the Way to their Functionalization (Review) [Volume 10, Issue 1, 2019, Pages 71-91]
Acenes Compared‎ ‎Two Models‎ ‎for Shifted the Gap Energy in Acenes; Quantum Perturbation Theory and Topological Indices [Volume 15, Issue 3, 2024, Pages 189-201]
Activated carbon Prediction of the Adsorption Capability onto Activated Carbon of Liquid Aliphatic Alcohols Using Molecular Fragments Method [Volume 5, Issue 2, 2014, Pages 127-142]
Acyclic chromatic index A New Approach to Compute Acyclic Chromatic Index of Certain Chemical Structures [Volume 6, Issue 1, 2015, Pages 51-61]
Acyclic coloring Acyclic Coloring of Certain Chemical Structures [Volume 14, Issue 2, 2023, Pages 109-120]
Acyclic edge-coloring A New Approach to Compute Acyclic Chromatic Index of Certain Chemical Structures [Volume 6, Issue 1, 2015, Pages 51-61]
Adamantane Spongy Diamond [Volume 10, Issue 1, 2019, Pages 1-9]
Adamantane Rhombellane-related Crystal Networks [Volume 11, Issue 2, 2020, Pages 73-81]
Additive algorithm A Zero One Programming Model for RNA Structures with Arclength ≥ 4 [Volume 3, Issue 2, 2012, Pages 185-193]
Additively weighted edge Mostar index On Some Extremal Results and Bounds of Additively Weighted Edge Mostar Index [Volume 16, Issue 1, 2025, Pages 51-64]
Additively weighted Mostar index A Note on the Additively Weighted Mostar Index of Graphs [Volume 16, Issue 2, 2025, Pages 155-170]
Adjacency matrix Study of Fullerenes by their Algebraic Properties [Volume 3, Issue 1, 2012, Pages 9-24]
Adjacency matrix Computation of Some Graph Energies of the Zero-Divisor Graph Associated‎~ ‎with the Commutative Ring $mathbb{Z}_{p^{2}}[x]/langle x^{2} angle$ [Volume 15, Issue 2, 2024, Pages 79-90]
Adjacency tensor Non-uniform Hypergraphs [Volume 11, Issue 3, 2020, Pages 161-177]
Adriatic index Upper and Lower Bounds of Symmetric Division Deg Index [Volume 5, Issue 2, 2014, Pages 91-98]
Adsorption Prediction of the Adsorption Capability onto Activated Carbon of Liquid Aliphatic Alcohols Using Molecular Fragments Method [Volume 5, Issue 2, 2014, Pages 127-142]
Adsorption Fractal-Like Kinetics Study of Adsorption on Multi-walled Carbon Nanotube [Volume 9, Issue 1, 2018, Pages 25-35]
Aldehydes QSPR Modeling of Heat Capacity, Thermal Energy and Entropy of Aliphatic Aldehydes by using Topological Indices and MLR Method [Volume 7, Issue 2, 2016, Pages 235-251]
Algebraic hyperstructures Chemical Hyperstructures for Neptunium‎, ‎Rubidium‎, ‎and Plutonium [Volume 16, Issue 3, 2025, Pages 207-222]
Aliphatic alcohols Prediction of the Adsorption Capability onto Activated Carbon of Liquid Aliphatic Alcohols Using Molecular Fragments Method [Volume 5, Issue 2, 2014, Pages 127-142]
Alkanes Determination of Critical Properties of Alkanes Derivatives Using Multiple Linear Regression [Volume 8, Issue 2, 2017, Pages 199-220]
Altan graph Altan Derivatives of a Graph [Volume 5, Issue 2, 2014, Pages 85-90]
Altans Topological Indices of a Kind of Altans [Volume 12, Issue 4, 2021, Pages 217-224]
Amines and alcohols Steiner k-Eccentric Connectivity Index‎: a Novel Steiner Distance-Based Index [Volume 15, Issue 3, 2024, Pages 175-187]
Amines Derivatives Predeiction of ∆H0f(gas) ,∆H0f(Liq) of Amines Derivatives Using Chemometrics (A Quantitative Structure-Property Relationship Study) [Volume 10, Issue 2, 2019, Pages 161-179]
Analgesics drugs Correlating Side Effects and Properties of Analgesics with Distance‎- ‎and Degree-Based Topological Indices [Volume 16, Issue 3, 2025, Pages 181-198]
Anion-selective electrode Using Electrochemical Impedance Spectroscopy of Salicylate Anion Selective Electrode: Simulation for Behavior of Electrode [Volume 4, Issue 1, 2013, Pages 41-57]
Anomalous diffusion The Matrix Transformation Technique for the Time‎- ‎Space Fractional Linear Schrödinger Equation [Volume 15, Issue 3, 2024, Pages 137-154]
Anti-forcing number Anti-forcing Number of Some Specific Graphs [Volume 8, Issue 3, 2017, Pages 313-325]
Anti-forcing set Anti-forcing Number of Some Specific Graphs [Volume 8, Issue 3, 2017, Pages 313-325]
Antimicrobial activity QSAR Modeling of Antimicrobial Activity with Some Novel 1,2,4 Triazole Derivatives, Comparison with Experimental Study [Volume 4, Issue 1, 2013, Pages 91-109]
Approximate solution Variational Formulation of Thermal Explosion Problem with Internal Heat Generation [Volume 17, Issue 1, 2026, Pages 1-11]
Approximate symmetries A Diffusion Equation with Exponential Nonlinearity Recant Developments [Volume 4, Issue 2, 2013, Pages 143-162]
Aromatic Aromaticity of fullerenes, the Way to their Functionalization (Review) [Volume 10, Issue 1, 2019, Pages 71-91]
Artificial Neural Network Estimation of Pgment Magnitudes in Synthetic Leather by Using Scanner and Artificial Neural Network [Volume 5, Issue 2, 2014, Pages 119-125]
Artificial neural network (ANN) Prediction of IC50 Values of 2−benzyloxybenzamide Derivatives using Multiple Linear Regression and Artificial Neural Network Methods [Volume 11, Issue 3, 2020, Pages 179-199]
A-Stability The New High Approximation of Stiff Systems of First Order IVPs Arising from Chemical Reactions by k-step L-stable Hybrid Methods [Volume 10, Issue 2, 2019, Pages 181-193]
Asymptotic normality The Eccentric Connectivity Index of Bucket Recursive Trees [Volume 5, Issue 2, 2014, Pages 77-83]
Asymptotic Wiener index Wiener Way to Dimensionality [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 5-15]
Atom-bond connectivity (ABC) index Topological Indices of a Kind of Altans [Volume 12, Issue 4, 2021, Pages 217-224]
Atom-bond connectivity (ABC) index‎ On the Difference of Atom-Bond Connectivity Index and Randić Index with Some Topological Indices [Volume 13, Issue 1, 2022, Pages 19-32]
Atom bond connectivity index On the Graovac-Ghorbani Index [Volume 10, Issue 4, 2019, Pages 295-305]
Atom-bond connectivity index On Generalized Atom-bond Connectivity Index of Cacti [Volume 10, Issue 4, 2019, Pages 319-330]
Atom-bond connectivity index On the Graovc-Ghorbani and Atom-Bond Connectivity Indices of Graphs from Primary Subgraphs [Volume 13, Issue 1, 2022, Pages 45-72]
Atom-bond sum-connectivity index On Relations between Atom-Bond Sum-Connectivity Index and other Degree-Based Indices [Volume 15, Issue 4, 2024, Pages 283-295]
Atom–bond connectivity index On Second Atom-Bond Connectivity Index [Volume 4, Issue 2, 2013, Pages 265-270]
Atom-type-based topological indices Novel Atom-Type-Based Topological Descriptors for Simultaneous Prediction of Gas Chromatographic Retention Indices of Saturated Alcohols on Different Stationary Phases [Volume 9, Issue 2, 2018, Pages 121-135]
Augmented eccentric connectivity index Eccentric Connectivity and Augmented Eccentric Connectivity Indices of N-Branched Phenylacetylenes Nanostar Dendrimers [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 105-110]
Automorphism group On the Mark and Markaracter Tables of Finite Groups [Volume 7, Issue 2, 2016, Pages 253-266]
Automorphism group Some New Results on Mostar Index of Graphs [Volume 11, Issue 1, 2020, Pages 33-42]
Automorphism group The‎ ‎Man‎ ‎Who‎ ‎Knew‎ ‎Symmetry‎: ‎A‎ ‎Tribute‎ ‎to Ali Reza Ashrafi [Volume 15, Issue 4, 2024, Pages 297-317]
Automorphism of graph Computing Szeged Index of Graphs on Triples [Volume 8, Issue 2, 2017, Pages 175-180]

B

Balaban index The Extremal Graphs for (Sum-) Balaban Index of Spiro and Polyphenyl Hexagonal Chains [Volume 9, Issue 4, 2018, Pages 241-254]
Balaban index J Comparison of Topological Indices Based on Iterated ‘Sum’ versus ‘Product’ Operations [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 43-67]
Bellmann’s typeequation A Nonlinear Second Order Field Equation – Similarity Solutions and Relation to a Bellmann-type Equation - Applications to Maxwellian Molecules [Volume 4, Issue 1, 2013, Pages 1-20]
Benzene derivatives QSPR Study on Benzene Derivatives to Some Physico-Chemical Properties by Using Topological Indices [Volume 7, Issue 1, 2016, Pages 93-110]
Benzenoid chain On the Tutte Polynomial of Benzenoid Chains [Volume 3, Issue 2, 2012, Pages 113-119]
Benzenoid graph On Discriminativity of Zagreb Indices [Volume 3, Issue 1, 2012, Pages 25-34]
Benzenoid graph On Discriminativity of Vertex-degree-based Indices [Volume 3, Issue 2, 2012, Pages 95-101]
Benzenoid hydrocarbon Investigation of the Partition Dimension in Chemical Networks and its Application in Chemistry [Volume 15, Issue 2, 2024, Pages 51-63]
Benzenoids Use of Structure Codes (Counts) for Computing Topological Indices of Carbon Nanotubes: Sadhana (Sd) Index of Phenylenes and its Hexagonal Squeezes [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 91-94]
Benzenoid systems On General Sum-Connectivity Index of Benzenoid Systems and Phenylenes [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 97-104]
Benzenoid systems Computing the Hosoya and the Merrifield-Simmons Indices of Two Special Benzenoid Systems [Volume 12, Issue 3, 2021, Pages 161-174]
Benzenoid systems On Closed Derivation Formulas over the M-polynomial for the Elliptic-Type Indices of a Graph [Volume 16, Issue 4, 2025, Pages 291-312]
Bernstein polynomials Electro-spunorganic Nanofibers Elaboration Process Investigations Using BPs Operational Matrices [Volume 7, Issue 1, 2016, Pages 19-27]
Betweenness centrality Further Results on Betweenness Centrality of Graphs [Volume 9, Issue 2, 2018, Pages 157-165]
Bicyclic graphs Graphs with Smallest Forgotten Index [Volume 8, Issue 3, 2017, Pages 259-273]
Bicyclic graphs On the Minimal Unicyclic and Bicyclic Graphs with Respect to the Neighborhood First Zagreb Index [Volume 13, Issue 2, 2022, Pages 109-128]
Bicyclic graphs Study of Bounds and Extremal Graphs of Symmetric Division Degree Index for Bicyclic Graphs with Perfect Matching [Volume 13, Issue 2, 2022, Pages 145-165]
Bicyclic graphs On a Conjecture on Edge Mostar Index of Bicyclic Graphs [Volume 14, Issue 2, 2023, Pages 97-108]
Bicyclic graphs On Extremal Values Of Total Structure Connectivity and Narumi-Katayama Indices on the Class of all Unicyclic and Bicyclic Graphs [Volume 14, Issue 3, 2023, Pages 171-181]
Bicyclic graphs A Note on the General Gutman Index of Graphs [Volume 17, Issue 3, 2026, Pages 271-285]
Bifurcation Stochastic Stability and Bifurcation for the Selkov Model with Noise [Volume 12, Issue 1, 2021, Pages 39-55]
Binary tree Computation of Topological Indices of Binary and Ternary Trees using Algorithmic Approach [Volume 15, Issue 2, 2024, Pages 107-115]
Binary trees Steiner Wiener Index of Complete m-Ary Trees [Volume 12, Issue 2, 2021, Pages 101-109]
Biocatalyst Numerical Study on the Reaction Cum Diffusion Process in a Spherical Biocatalyst [Volume 5, Issue 1, 2014, Pages 47-61]
Boolean lattice Topological Indices of Certain Graphs [Volume 13, Issue 3, 2022, Pages 167-174]
Borderenergetic graph Borderenergetic Graphs of Order 12 [Volume 8, Issue 4, 2017, Pages 339-344]
Boron nanosheet Acyclic Coloring of Certain Chemical Structures [Volume 14, Issue 2, 2023, Pages 109-120]
Bound Some Results on Forgotten Topological Coindex [Volume 10, Issue 4, 2019, Pages 307-318]
Bound Some Basic Properties of the Second Multiplicative Zagreb Eccentricity Index [Volume 15, Issue 1, 2024, Pages 17-25]
Boundary value problem The Uniqueness Theorem for Inverse Nodal Problems with a Chemical Potential [Volume 8, Issue 4, 2017, Pages 403-411]
Boundary value problem A New Family of High-order Difference Schemes for the Solution of Second Order Boundary Value Problems [Volume 9, Issue 3, 2018, Pages 187-199]
Boundary value problems Chebyshev Finite Difference Method for a Two−point Boundary Value Problems with Applications to Chemical Reactor Theory [Volume 3, Issue 1, 2012, Pages 1-7]
Branching On the Reliability Wiener Number [Volume 5, Issue 2, 2014, Pages 107-118]
Branching operations A Study of Vertex-Degree Function Indices via Branching Operations on Trees [Volume 16, Issue 1, 2025, Pages 1-12]
Bratu equation Electro-spunorganic Nanofibers Elaboration Process Investigations Using BPs Operational Matrices [Volume 7, Issue 1, 2016, Pages 19-27]
Bratu’s problem A New Family of High-order Difference Schemes for the Solution of Second Order Boundary Value Problems [Volume 9, Issue 3, 2018, Pages 187-199]
Brusselator model The Effect of Fractional-Order Derivative for Pattern Formation‎ ‎of Brusselator‎ ‎Reaction–Diffusion Model Occurring in Chemical Reactions [Volume 14, Issue 4, 2023, Pages 243-269]
Bucket recursive trees The Eccentric Connectivity Index of Bucket Recursive Trees [Volume 5, Issue 2, 2014, Pages 77-83]
Bucket recursive trees‎ On the Multiplicative Zagreb Indices of Bucket Recursive‎ ‎Trees [Volume 8, Issue 1, 2017, Pages 37-45]

C

C4C8 rhomboidal torus On the Eigenvalues of Rhomboidal C4C8(R)[n; n] Nanotori [Volume 10, Issue 1, 2019, Pages 11-20]
Cacti A Note on the Zeroth-order General Randić Index of Cacti and Polyomino Chains [Volume 5, Issue 2, 2014, Pages 143-152]
Cacti On Edge Mostar Index of Graphs [Volume 11, Issue 2, 2020, Pages 95-106]
Cacti On Some Extremal Results and Bounds of Additively Weighted Edge Mostar Index [Volume 16, Issue 1, 2025, Pages 51-64]
Cactus On Generalized Atom-bond Connectivity Index of Cacti [Volume 10, Issue 4, 2019, Pages 319-330]
Cactus Extremal polygonal cacti for Wiener index and Kirchhoff index [Volume 11, Issue 3, 2020, Pages 201-211]
Cactus Extremal Cacti with respect to Sombor index [Volume 12, Issue 4, 2021, Pages 197-208]
Cactus graph Pebbling Number of Polymers [Volume 16, Issue 1, 2025, Pages 39-49]
Cactus graphs On the Graovc-Ghorbani and Atom-Bond Connectivity Indices of Graphs from Primary Subgraphs [Volume 13, Issue 1, 2022, Pages 45-72]
Calcium Evaluation of the Mineral Contents in Fish Meal by FT- NIR using PLS and Kernel PLS [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 31-38]
Cancer cells An Appropriate Fractional Narayana Polynomials Neural Network Method for a Mathematical Model of the Lung Cancer [Volume 17, Issue 2, 2026, Pages 217-232]
Caputo fractional derivative A Numerical Study of Fractional Order Reverse Osmosis Desalination Model using Legendre Wavelet Approximation [Volume 8, Issue 4, 2017, Pages 345-364]
Caputo fractional derivative On the Numerical Solution of Widely Used 2D Stochastic Partial‎ ‎Differential‎ ‎Equation in Representing‎ ‎Reaction-Diffusion Processes [Volume 16, Issue 1, 2025, Pages 13-31]
Carbon Nanotube The Clar Number of Fullerene C24n and Carbon Nanocone CNC4[n] [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 53-59]
Carbon nanotubes Padmakar-Ivan Index in Nanotechnology [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 7-42]
Cartesian product The Generalized Wiener Polarity Index of some Graph Operations [Volume 4, Issue 2, 2013, Pages 177-183]
Cartesian product On the Laplacian Szeged Spectrum of Paths [Volume 11, Issue 1, 2020, Pages 57-63]
Cartesian product The Schultz Index for Product Graphs [Volume 13, Issue 1, 2022, Pages 1-17]
Cartesian product of graphs The Reliability Wiener Number of Cartesian Product Graphs [Volume 6, Issue 2, 2015, Pages 129-135]
Cartesian sum The Schultz Index for Product Graphs [Volume 13, Issue 1, 2022, Pages 1-17]
Catacondensed benzenoid On Discriminativity of Zagreb Indices [Volume 3, Issue 1, 2012, Pages 25-34]
Catacondensed benzenoid graph On Discriminativity of Vertex-degree-based Indices [Volume 3, Issue 2, 2012, Pages 95-101]
Catacondensed hexagonal system Second and Third Extremals of Catacondensed Hexagonal Systems with Respect to the PI Index [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 95-103]
Catalytic combustion Concentration of Ethanol and Acetaldehyde Inside the Catalyst Particle and in the Reaction Stream: Theoretical and Numerical Approach [Volume 17, Issue 3, 2026, Pages 233-253]
Caterpillar Eccentric and Total Eccentric Connectivity Indices of Caterpillars [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 39-44]
Caterpillar Tree Some Relations Between Kekule Structure and Morgan-Voyce Polynomials [Volume 8, Issue 2, 2017, Pages 221-229]
Cauchy-Schwarz inequality A Note on the Bounds of Laplacian-energy-like-invariant [Volume 9, Issue 2, 2018, Pages 137-147]
Cauchy–Schwarz inequality Some Topological Indices of Graphs and some Inequalities [Volume 3, Issue 1, 2012, Pages 73-80]
Cayley graph On the Eigenvalues of Rhomboidal C4C8(R)[n; n] Nanotori [Volume 10, Issue 1, 2019, Pages 11-20]
Center The Center and Periphery of Composite Graphs [Volume 5, Supplement 1, 2014, Pages 35-44]
Centric connectivity index Centric Connectivity Index by Shell Matrices [Volume 3, Issue 1, 2012, Pages 35-43]
Centrosymmetric matrix Distance Property of Fullerenes [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 99-107]
Certain chemical structures A New Approach to Compute Acyclic Chromatic Index of Certain Chemical Structures [Volume 6, Issue 1, 2015, Pages 51-61]
Chain The Distinguishing Number and the Distinguishing Index of Graphs from Primary Subgraphs [Volume 10, Issue 3, 2019, Pages 223-240]
Chain graphs On Multiplicative Zagreb Indices of Graphs [Volume 3, Issue 2, 2012, Pages 145-154]
Chain hexagonal cactus Chain Hexagonal Cacti: Extremal with Respect to the Eccentric Connectivity Index [Volume 4, Issue 1, 2013, Pages 123-136]
Chain reaction Weak Algebraic Hyperstructures as a Model for Interpretation of Chemical Reactions [Volume 7, Issue 2, 2016, Pages 267-283]
Chaos in the sense of Li-Yorke Topological Entropy‎, ‎Distributional Chaos and the Principal‎‎ Measure of a Class of Belusov−Zhabotinskii's Reaction Models Presented by García Guirao and Lampart ‎ [Volume 12, Issue 1, 2021, Pages 57-65]
Characteristic polynomial Relationship between Coefficients of Characteristic Polynomial and Matching Polynomial of Regular Graphs and its Applications [Volume 8, Issue 1, 2017, Pages 7-23]
Characteristic polynomial On the Characteristic Polynomial and Spectrum of the Terminal Distance Matrix of Kragujevac Trees [Volume 12, Issue 2, 2021, Pages 89-99]
Characteristic polynomial Extremal Kragujevac Trees with Respect to Randic Energy [Volume 16, Issue 3, 2025, Pages 245-255]
Chebyshev finite difference method Chebyshev Finite Difference Method for a Two−point Boundary Value Problems with Applications to Chemical Reactor Theory [Volume 3, Issue 1, 2012, Pages 1-7]
Chebyshev finite difference method Numerical Study on the Reaction Cum Diffusion Process in a Spherical Biocatalyst [Volume 5, Issue 1, 2014, Pages 47-61]
Chebyshev polynomials Shifted Second-Kind Chebyshev Spectral Collocation-Based Technique‎ for Time-Fractional KdV-Burgers' Equation [Volume 14, Issue 4, 2023, Pages 207-224]
Chebyshev polynomials Explicit Chebyshev Collocation Method for Multi-Order Fractional‎ ‎Nonlinear‎ ‎Boundary‎ ‎Value‎ ‎Problems‎ ‎in Mathematical Chemistry [Volume 16, Issue 4, 2025, Pages 257-273]
Chemical equilibria The Conditions of the Violations of Le Chatlier’s Principle in Gas Reactions at Constant T and P [Volume 8, Issue 1, 2017, Pages 47-52]
Chemical graph Applications of Graph Operations [Volume 3, Supplement 1, 2012, Pages 37-43]
Chemical graph Applications of some Graph Operations in Computing some Invariants of Chemical Graphs [Volume 4, Issue 2, 2013, Pages 221-230]
Chemical graph Topological Properties of Commuting Graphs over Semi-Dihedral Groups [Volume 16, Issue 2, 2025, Pages 109-126]
Chemical graph theory A Note on Connectivity and Lambda-modified Wiener index [Volume 6, Issue 2, 2015, Pages 137-143]
Chemical graph theory Autobiographical Notes [Volume 8, Issue 3, 2017, Pages 231-257]
Chemical graph theory On the Bicyclic Graphs with Minimum Reduced Reciprocal Randic Index [Volume 9, Issue 3, 2018, Pages 227-239]
Chemical graph theory On the Modified First Zagreb Connection Index of Trees of a Fixed Order and Number of Branching Vertices [Volume 11, Issue 4, 2020, Pages 213-226]
Chemical graph theory Maximum Variable Connectivity Index of n-Vertex Trees [Volume 13, Issue 1, 2022, Pages 33-44]
Chemical graph theory On the Minimal Unicyclic and Bicyclic Graphs with Respect to the Neighborhood First Zagreb Index [Volume 13, Issue 2, 2022, Pages 109-128]
Chemical networks A Fast Approach to the Detection of All-Purpose Hubs in Complex Networks with Chemical Applications [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 81-96]
Chemical potential Investigations of Solvent Effect on Electrochemical and Electronically Properties of Some Quinone Drugs: A Computational Study [Volume 13, Issue 3, 2022, Pages 187-199]
Chemical potential moderation The Conditions of the Violations of Le Chatlier’s Principle in Gas Reactions at Constant T and P [Volume 8, Issue 1, 2017, Pages 47-52]
Chemical reaction kinetics Extended Fractional-Time Oregonator Model Accounting for Proton Dynamics [Volume 17, Issue 2, 2026, Pages 137-177]
Chemical reactions Chemical Hyperstructures for Neptunium‎, ‎Rubidium‎, ‎and Plutonium [Volume 16, Issue 3, 2025, Pages 207-222]
Chemical reactor Chebyshev Finite Difference Method for a Two−point Boundary Value Problems with Applications to Chemical Reactor Theory [Volume 3, Issue 1, 2012, Pages 1-7]
Chemical reactor Dynamical Behavior and Synchronization of Chaotic Chemical Reactors Model [Volume 6, Issue 1, 2015, Pages 81-92]
Chemical reactor Solving Time-fractional Chemical Engineering Equations by Modified Variational Iteration Method as Fixed Point Iteration Method [Volume 8, Issue 4, 2017, Pages 365-375]
Chemical tree Chemical Trees with Extreme Values of Zagreb Indices and Coindices [Volume 5, Issue 1, 2014, Pages 19-29]
Chemical tree An Upper Bound on the First Zagreb Index in Trees [Volume 8, Issue 1, 2017, Pages 71-82]
Chemical tree Extremal Chemical Trees for a Modified Version of Sombor Index [Volume 15, Issue 4, 2024, Pages 259-268]
Chemical trees Bounds of the Symmetric Division Deg Index for Trees and Unicyclic Graphs with a Perfect Matching [Volume 11, Issue 3, 2020, Pages 141-159]
Chromatic number Computing Multiplicative Zagreb Indices with Respect to Chromatic and Clique Numbers [Volume 5, Issue 1, 2014, Pages 11-18]
Chromatic polynomial Chromatic Polynomials of Some Nanostars [Volume 3, Issue 2, 2012, Pages 127-135]
Circulene Aromaticity of fullerenes, the Way to their Functionalization (Review) [Volume 10, Issue 1, 2019, Pages 71-91]
Clar number The Clar Number of Fullerene C24n and Carbon Nanocone CNC4[n] [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 53-59]
Classes of similarity solutions A Nonlinear Second Order Field Equation – Similarity Solutions and Relation to a Bellmann-type Equation - Applications to Maxwellian Molecules [Volume 4, Issue 1, 2013, Pages 1-20]
Classical Lie group formalism A Nonlinear Second Order Field Equation – Similarity Solutions and Relation to a Bellmann-type Equation - Applications to Maxwellian Molecules [Volume 4, Issue 1, 2013, Pages 1-20]
Clique number Computing Multiplicative Zagreb Indices with Respect to Chromatic and Clique Numbers [Volume 5, Issue 1, 2014, Pages 11-18]
Cluj matrix Centric Connectivity Index by Shell Matrices [Volume 3, Issue 1, 2012, Pages 35-43]
Collocation method Shifted Second-Kind Chebyshev Spectral Collocation-Based Technique‎ for Time-Fractional KdV-Burgers' Equation [Volume 14, Issue 4, 2023, Pages 207-224]
Collocation method Robust Numerical Approach for Solving Robin Boundary Value Problems [Volume 17, Issue 1, 2026, Pages 77-94]
Color energy ‎ On Color Matrix and Energy of Semigraphs [Volume 13, Issue 4, 2022, Pages 291-299]
Coloring of Semigraph On Color Matrix and Energy of Semigraphs [Volume 13, Issue 4, 2022, Pages 291-299]
Color matrix On Color Matrix and Energy of Semigraphs [Volume 13, Issue 4, 2022, Pages 291-299]
Combinatorial enumeration Half-Century Journey from Synthetic Organic Chemistry to Mathematical Stereochemistry through Chemoinformatics [Volume 7, Issue 2, 2016, Pages 155-221]
Common neighborhood graph On Common Neighborhood Graphs II [Volume 9, Issue 1, 2018, Pages 37-46]
Commutative ring Computation of Some Graph Energies of the Zero-Divisor Graph Associated‎~ ‎with the Commutative Ring $mathbb{Z}_{p^{2}}[x]/langle x^{2} angle$ [Volume 15, Issue 2, 2024, Pages 79-90]
Commuting graph Topological Properties of Commuting Graphs over Semi-Dihedral Groups [Volume 16, Issue 2, 2025, Pages 109-126]
Compact finite difference Fourth-order Numerical Solution of a Fractional PDE with the Nonlinear Source Term in the Electroanalytical Chemistry [Volume 3, Issue 2, 2012, Pages 195-220]
Complement of a graph Properties of Laplacian Eigenvalues of Some Bicyclic and Tricyclic Graphs [Volume 17, Issue 1, 2026, Pages 13-33]
Complete bipartite graph Construction of Zero-Divisor Graph of a Hyperlattice with Respect to Hyperideals [Volume 15, Issue 3, 2024, Pages 123-135]
Complete forcing number Complete Forcing Numbers of Polyphenyl Systems [Volume 7, Issue 1, 2016, Pages 39-46]
Complete m-ary trees Steiner Wiener Index of Complete m-Ary Trees [Volume 12, Issue 2, 2021, Pages 101-109]
Complexity Multiplicative Zagreb Indices and Extremal Complexity of Line Graphs [Volume 15, Issue 1, 2024, Pages 7-16]
Complex networks A Fast Approach to the Detection of All-Purpose Hubs in Complex Networks with Chemical Applications [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 81-96]
Compressible Euler equation An Upwind Local Radial Basis Functions-finite Difference (RBF-FD) Method for Solving Compressible Euler Equation with Application in Finite-rate Chemistry [Volume 10, Issue 3, 2019, Pages 251-267]
Computational chemistry Computational and Electrochemical Studies on the Redox Reaction of 2-(2,3-Dihydroxy Phenyl)-1,3- Dithiane in Aqueous Solution [Volume 3, Issue 2, 2012, Pages 103-112]
Computational Group Theory Enumeration of Conformers of Octahedral [M(ABC)_{6}] Complex on the Basis of Computational Group Theory [Volume 7, Issue 2, 2016, Pages 223-234]
Conformer Enumeration of Conformers of Octahedral [M(ABC)_{6}] Complex on the Basis of Computational Group Theory [Volume 7, Issue 2, 2016, Pages 223-234]
Congestion Wiener, Szeged and Vertex PI Indices of Regular Tessellations [Volume 3, Issue 2, 2012, Pages 165-183]
Conjugated unicyclic graph On the Revised Edge-Szeged Index of Graphs [Volume 10, Issue 4, 2019, Pages 279-293]
Convective boundary condition Retrieving‎ ‎the‎ ‎Transient‎ ‎Temperature‎ ‎Field and Blood Perfusion‎ ‎Coefficient‎ ‎in‎ ‎the‎ ‎Pennes‎ ‎Bioheat‎ ‎Equation Subject to Nonlocal and Convective Boundary Conditions [Volume 15, Issue 2, 2024, Pages 91-105]
Convective boundary condition Numerical Study of One-Phase Stefan-Type Problems [Volume 16, Issue 2, 2025, Pages 127-139]
Convergence Fourth-order Numerical Solution of a Fractional PDE with the Nonlinear Source Term in the Electroanalytical Chemistry [Volume 3, Issue 2, 2012, Pages 195-220]
Convergence analysis Shifted Second-Kind Chebyshev Spectral Collocation-Based Technique‎ for Time-Fractional KdV-Burgers' Equation [Volume 14, Issue 4, 2023, Pages 207-224]
Convergence in probability The Eccentric Connectivity Index of Bucket Recursive Trees [Volume 5, Issue 2, 2014, Pages 77-83]
Co-PI index Computation of Co-PI Index of TUC4C8(R) Nanotubes [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 119-123]
Co-PI index Bounds for the Co-PI Index of a Graph [Volume 6, Issue 1, 2015, Pages 1-13]
Co-PI matrix Bounds for the Co-PI Index of a Graph [Volume 6, Issue 1, 2015, Pages 1-13]
Co-PI spectral radius Bounds for the Co-PI Index of a Graph [Volume 6, Issue 1, 2015, Pages 1-13]
Corona product Anti-forcing Number of Some Specific Graphs [Volume 8, Issue 3, 2017, Pages 313-325]
Corona product The Schultz Index for Product Graphs [Volume 13, Issue 1, 2022, Pages 1-17]
Coronene /circumcoronene On the Higher Randić Index [Volume 4, Issue 2, 2013, Pages 257-263]
Counting polynomial Hyperdiamonds: a Topological View [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 7-29]
Coupled Lane–Emden equations‎ ‎The effect of radial basis functions (RBFs) method in solving coupled Lane–Emden boundary value problems in‎ ‎Catalytic Diffusion Reactions [Volume 12, Issue 4, 2021, Pages 239-261]
Coupled map lattice Kato's chaos and P-chaos of a coupled lattice system given by Garcia Guirao and Lampart which is related with Belusov-Zhabotinskii reaction [Volume 11, Issue 1, 2020, Pages 1-9]
Coupled map lattice Turbulence, Erratic Property and Horseshoes in a Coupled Lattice System related with Belusov−Zhabotinsky Reaction [Volume 11, Issue 3, 2020, Pages 133-140]
Coupled map lattice Topological Entropy‎, ‎Distributional Chaos and the Principal‎‎ Measure of a Class of Belusov−Zhabotinskii's Reaction Models Presented by García Guirao and Lampart ‎ [Volume 12, Issue 1, 2021, Pages 57-65]
Cowpea aphids Neonicotinoids Activity Against Cowpea Aphids by Computational Estimation [Volume 10, Issue 1, 2019, Pages 21-44]
Critical condition Variational Formulation of Thermal Explosion Problem with Internal Heat Generation [Volume 17, Issue 1, 2026, Pages 1-11]
Critical Properties Determination of Critical Properties of Alkanes Derivatives Using Multiple Linear Regression [Volume 8, Issue 2, 2017, Pages 199-220]
Crystal Rhombellanic Crystals and Quasicrystals [Volume 9, Issue 3, 2018, Pages 167-178]
Crystal-like network Hyperdiamonds: a Topological View [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 7-29]
Cycle On the Roots of Hosoya Polynomial of a Graph [Volume 4, Issue 2, 2013, Pages 231-238]
Cycle related graph Neighborhood‎ ‎M-Polynomial of‎ ‎Graph‎ ‎Operations: Exploring Nanostructure Applications and Correcting Cycle-Related Graph Results [Volume 15, Issue 3, 2024, Pages 155-174]
Cyclic hexagonal‎- ‎square chain‎ Metric Dimension for Line Graph of Some Chemical Structures [Volume 15, Issue 4, 2024, Pages 269-282]
Cyclic Voltammetry Computational and Electrochemical Studies on the Redox Reaction of 2-(2,3-Dihydroxy Phenyl)-1,3- Dithiane in Aqueous Solution [Volume 3, Issue 2, 2012, Pages 103-112]

D

Debye-Hückel Theory (DHT) An Algebraic Calculation Method for Describing Time-dependent Processes in Electrochemistry – Expansion of Existing Procedures [Volume 9, Issue 2, 2018, Pages 77-100]
Debye-Hückel Theory Extensions to Study Electrochemical Interfaces - A Contribution to the Theory of Ions [Volume 5, Issue 1, 2014, Pages 31-46]
Deficiency Deficiency Sum Energy of Some Graph Classes [Volume 14, Issue 3, 2023, Pages 145-160]
Deficiency sum eigenvalues Deficiency Sum Energy of Some Graph Classes [Volume 14, Issue 3, 2023, Pages 145-160]
Deficiency sum energy Deficiency Sum Energy of Some Graph Classes [Volume 14, Issue 3, 2023, Pages 145-160]
Deficiency sum matrix Deficiency Sum Energy of Some Graph Classes [Volume 14, Issue 3, 2023, Pages 145-160]
Degradation kinetics Direct‎ ‎Mathematical‎ ‎Models‎ ‎for‎ ‎Estimating‎ ‎the‎ ‎Shelf‎ Life of Second‎- ‎and Zero-Order Degradation Relationships of Food and Drugs [Volume 14, Issue 3, 2023, Pages 161-169]
Degree Another Approach to a Conjecture about the Exponential Reduced Sombor Index of Molecular Trees [Volume 13, Issue 2, 2022, Pages 99-108]
Degree General Randi´c Index of uniform Hypergraphs [Volume 14, Issue 2, 2023, Pages 121-133]
Degree Based Indices Study of Bounds and Extremal Graphs of Symmetric Division Degree Index for Bicyclic Graphs with Perfect Matching [Volume 13, Issue 2, 2022, Pages 145-165]
Degree-based topological index M-polynomial and Degree-based Topological Indices [Volume 6, Issue 2, 2015, Pages 93-102]
Degree-based topological index M-polynomial of some Graph Operations and Cycle Related Graphs [Volume 10, Issue 2, 2019, Pages 127-150]
Degree-based topological index On the M-polynomial of Planar Chemical Graphs [Volume 11, Issue 2, 2020, Pages 65-71]
Degree-based topological index Extremal Results and Inequalities for the Diminished Sombor Index of Graphs [Volume 17, Issue 3, 2026, Pages 259-270]
Degree-dependent topological index‎ Investigation of Closed Derivation Formulas for GQ and QG Indices of a Graph via M-polynomial [Volume 13, Issue 2, 2022, Pages 129-144]
Degree distance Degree Distance Index of the Mycielskian and its Complement [Volume 7, Issue 1, 2016, Pages 1-9]
Degree distance Ordering Tricyclic Connected Graphs Having Minimum Degree Distance [Volume 16, Issue 3, 2025, Pages 199-205]
Degree distance index Some Topological Indices of Edge Corona of Two Graphs [Volume 10, Issue 3, 2019, Pages 209-222]
Degree Kirchhoff index Kirchhoff Index and Kirchhoff Energy [Volume 13, Issue 3, 2022, Pages 175-185]
Degree-Kirchhoff index Computing the Additive Degree-Kirchhoff Index with the Laplacian Matrix [Volume 8, Issue 3, 2017, Pages 285-290]
Degree (of vertex) Improved Estimates of Sombor Index [Volume 15, Issue 1, 2024, Pages 1-5]
Dendrimer Computing the Szeged Index of 4,4 ׳-Bipyridinium Dendrimer [Volume 3, Issue 1, 2012, Pages 67-72]
Dendrimer On Multiplicative Zagreb Indices of Graphs [Volume 3, Issue 2, 2012, Pages 145-154]
Dendrimer Fourth Order and Fourth Sum Connectivity Indices of Tetrathiafulvalene Dendrimers [Volume 3, Issue 2, 2012, Pages 155-163]
Dendrimer Flow Polynomial of some Dendrimers [Volume 5, Supplement 1, 2014, Pages 17-20]
Dendrimer The Matching Interdiction Problem in Dendrimers [Volume 6, Issue 1, 2015, Pages 63-79]
Dendrimer The Topological Indices of some Dendrimer Graphs [Volume 8, Issue 1, 2017, Pages 25-35]
Dendrimer graphs On the Spectra of Reduced Distance Matrix of Thorn Graphs [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 81-87]
Dendrimer graphs Eccentric Connectivity Index of Some Dendrimer Graphs [Volume 3, Supplement 1, 2012, Pages 7-18]
Dendrimer nanostar Computing Vertex PI Index of Tetrathiafulvalene Dendrimers [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 125-130]
Dendrimer nanostar Hosoya Polynomial of an Infinite Family of Dendrimer Nanostar [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 71-79]
Dendrimer nanostar The Neighbourhood Polynomial of some Nanostructures [Volume 5, Supplement 1, 2014, Pages 21-25]
Dendrimers Computing Chemical Properties of Molecules by Graphs and Rank Polynomials [Volume 3, Supplement 1, 2012, Pages 59-65]
Density functional theory Computational and Electrochemical Studies on the Redox Reaction of 2-(2,3-Dihydroxy Phenyl)-1,3- Dithiane in Aqueous Solution [Volume 3, Issue 2, 2012, Pages 103-112]
Derived graph‎ The Laplacian Polynomial and Kirchhoff Index of the k-th‎ Semi Total Point Graphs [Volume 5, Supplement 1, 2014, Pages 7-15]
Derived graphs Neighbourly Irregular Derived Graphs [Volume 8, Issue 1, 2017, Pages 53-60]
Determination Estimation of Pgment Magnitudes in Synthetic Leather by Using Scanner and Artificial Neural Network [Volume 5, Issue 2, 2014, Pages 119-125]
Detour index Relation Between Wiener, Szeged and Detour Indices [Volume 5, Supplement 1, 2014, Pages 45-51]
DFT DFT Study of Kinetic and Thermodynamic Parameters of Tautomerism in 4−acyl Pyrazolone [Volume 4, Issue 2, 2013, Pages 185-199]
DFT Development of Mathematical Methods of DFT by Using the Physical Chemistry Parameters of Quinolines C26H23ClN4 and C26H23FN4 [Volume 13, Issue 3, 2022, Pages 227-237]
DFT (B3LYP). Molecular Spectroscopy Odd-Even Effect Observed in the Electro-Optical Properties of the Homologous Series of HnCBP Liquid Crystal Studied under the Impact of the Electric Field: A Theoretical Approach [Volume 11, Issue 4, 2020, Pages 239-254]
Dharwad index Extremal Chemical Trees for a Modified Version of Sombor Index [Volume 15, Issue 4, 2024, Pages 259-268]
Differential transform method Numerical Study on the Reaction Cum Diffusion Process in a Spherical Biocatalyst [Volume 5, Issue 1, 2014, Pages 47-61]
Diffusion-Reaction Numerical Study on the Reaction Cum Diffusion Process in a Spherical Biocatalyst [Volume 5, Issue 1, 2014, Pages 47-61]
Digraphs A new notion of energy of digraphs [Volume 12, Issue 2, 2021, Pages 111-125]
Diminished Sombor index Extremal Results and Inequalities for the Diminished Sombor Index of Graphs [Volume 17, Issue 3, 2026, Pages 259-270]
Disjoint path covers Topological Indices and Disjoint Path Cover Property of Graphs [Volume 17, Issue 2, 2026, Pages 201-216]
Dismutation reaction Weak Algebraic Hyperstructures as a Model for Interpretation of Chemical Reactions [Volume 7, Issue 2, 2016, Pages 267-283]
Distance Wiener Index of Graphs in Terms of Eccentricities [Volume 4, Issue 2, 2013, Pages 239-248]
Distance Nordhaus-Gaddum Type Results for the Harary Index of Graphs [Volume 8, Issue 2, 2017, Pages 181-198]
Distance QSPR Analysis of Some Novel Extension and Generalization of Sombor Index [Volume 13, Issue 1, 2022, Pages 73-84]
Distance Computation of Topological Indices of Binary and Ternary Trees using Algorithmic Approach [Volume 15, Issue 2, 2024, Pages 107-115]
Distance-balanced graph Applications of some Graph Operations in Computing some Invariants of Chemical Graphs [Volume 4, Issue 2, 2013, Pages 221-230]
Distance-balanced graphs Remarks on Distance-Balanced Graphs [Volume 2, Issue 2, 2011, Pages 67-71]
Distance in graph A Note on Vertex-Edge Wiener Indices of Graphs [Volume 7, Issue 1, 2016, Pages 11-17]
Distance of graph On the Edge Reverse Wiener Indices of TUC4C8(S) Nanotubes [Volume 3, Issue 1, 2012, Pages 55-65]
Distance property Topological Properties of Commuting Graphs over Semi-Dihedral Groups [Volume 16, Issue 2, 2025, Pages 109-126]
Distinguishing index The Distinguishing Number and the Distinguishing Index of Graphs from Primary Subgraphs [Volume 10, Issue 3, 2019, Pages 223-240]
Distributional chaos Topological Entropy‎, ‎Distributional Chaos and the Principal‎‎ Measure of a Class of Belusov−Zhabotinskii's Reaction Models Presented by García Guirao and Lampart ‎ [Volume 12, Issue 1, 2021, Pages 57-65]
Doob's supermartingale‎ ‎inequality‎ The Ratio and Product of the Multiplicative Zagreb‎ Indices [Volume 8, Issue 4, 2017, Pages 377-390]
Double graph Distance-Based Topological Indices and Double graph [Volume 8, Issue 1, 2017, Pages 83-91]
DQL- technique A Numerical Study of Fractional Order Reverse Osmosis Desalination Model using Legendre Wavelet Approximation [Volume 8, Issue 4, 2017, Pages 345-364]
Dyck graph Omega Polynomial in All R[8] Lattices [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 69-77]
Dynamics Stochastic Stability and Bifurcation for the Selkov Model with Noise [Volume 12, Issue 1, 2021, Pages 39-55]

E

Eccentric connectivity Some Topological Indices of Graphs and some Inequalities [Volume 3, Issue 1, 2012, Pages 73-80]
Eccentricity Eccentric Connectivity Index of Some Dendrimer Graphs [Volume 3, Supplement 1, 2012, Pages 7-18]
Eccentricity Wiener Index of Graphs in Terms of Eccentricities [Volume 4, Issue 2, 2013, Pages 239-248]
Eccentricity The Center and Periphery of Composite Graphs [Volume 5, Supplement 1, 2014, Pages 35-44]
Eccentricity On Reciprocal Complementary Wiener Index of a Graph [Volume 9, Issue 3, 2018, Pages 201-212]
Eccentricity Some Properties of the Leap Eccentric Connectivity Index of Graphs [Volume 11, Issue 4, 2020, Pages 227-237]
Eccentricity The Symmetric Division Eccentric Index of Two Infinite Classes of Fullerenes [Volume 16, Issue 4, 2025, Pages 355-372]
Eccentricity sequence Eccentricity Sequence and the Eccentric Connectivity Index of Two Special Categories of Fullerenes [Volume 5, Issue 1, 2014, Pages 63-68]
Edge-connectivity A Note on Connectivity and Lambda-modified Wiener index [Volume 6, Issue 2, 2015, Pages 137-143]
Edge corona Some Topological Indices of Edge Corona of Two Graphs [Volume 10, Issue 3, 2019, Pages 209-222]
Edge Mostar index On Edge Mostar Index of Graphs [Volume 11, Issue 2, 2020, Pages 95-106]
Edge Mostar index On a Conjecture on Edge Mostar Index of Bicyclic Graphs [Volume 14, Issue 2, 2023, Pages 97-108]
Edge moving The F–Index for some Special Graphs and some Properties of the F–Index [Volume 9, Issue 3, 2018, Pages 213-225]
Edge probability On the Reliability Wiener Number [Volume 5, Issue 2, 2014, Pages 107-118]
Edge reverse Wiener indices On the Edge Reverse Wiener Indices of TUC4C8(S) Nanotubes [Volume 3, Issue 1, 2012, Pages 55-65]
Edge separating The F–Index for some Special Graphs and some Properties of the F–Index [Volume 9, Issue 3, 2018, Pages 213-225]
Edge switching The F–Index for some Special Graphs and some Properties of the F–Index [Volume 9, Issue 3, 2018, Pages 213-225]
Edge-transitive graph Perfect Matchings in Edge-Transitive Graphs [Volume 5, Supplement 1, 2014, Pages 27-33]
Effectiveness factor Numerical Study on the Reaction Cum Diffusion Process in a Spherical Biocatalyst [Volume 5, Issue 1, 2014, Pages 47-61]
Eigenvalue Study of Fullerenes by their Algebraic Properties [Volume 3, Issue 1, 2012, Pages 9-24]
Eigenvalue Resolvent Energy of Digraphs [Volume 12, Issue 3, 2021, Pages 139-159]
Eigenvalues The Uniqueness Theorem for Inverse Nodal Problems with a Chemical Potential [Volume 8, Issue 4, 2017, Pages 403-411]
Eigenvalues (of graph) Some Lower Bounds for Estrada Index [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 67-72]
Elecotrospun nanofibers Electro-spunorganic Nanofibers Elaboration Process Investigations Using BPs Operational Matrices [Volume 7, Issue 1, 2016, Pages 19-27]
Electric field Odd-Even Effect Observed in the Electro-Optical Properties of the Homologous Series of HnCBP Liquid Crystal Studied under the Impact of the Electric Field: A Theoretical Approach [Volume 11, Issue 4, 2020, Pages 239-254]
Electroactive polymer film Spectral Poly-Sinc Collocation Method for Solving a Singular Nonlinear BVP of Reaction-Diffusion with Michaelis-Menten Kinetics in a Catalyst/Biocatalyst [Volume 14, Issue 2, 2023, Pages 77-96]
Electroanalytical chemistry Fourth-order Numerical Solution of a Fractional PDE with the Nonlinear Source Term in the Electroanalytical Chemistry [Volume 3, Issue 2, 2012, Pages 195-220]
Electrode potential Investigations of Solvent Effect on Electrochemical and Electronically Properties of Some Quinone Drugs: A Computational Study [Volume 13, Issue 3, 2022, Pages 187-199]
Electrolytic cell Weak Chemical Hyperstructures Associated to Electrochemical Cells [Volume 9, Issue 1, 2018, Pages 65-75]
Elliptic Sombor index On Closed Derivation Formulas over the M-polynomial for the Elliptic-Type Indices of a Graph [Volume 16, Issue 4, 2025, Pages 291-312]
Embedding Wiener, Szeged and Vertex PI Indices of Regular Tessellations [Volume 3, Issue 2, 2012, Pages 165-183]
Energy Energy and Wiener Index of Zero-Divisor Graphs [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 45-51]
Energy A new notion of energy of digraphs [Volume 12, Issue 2, 2021, Pages 111-125]
Energy Kirchhoff Index and Kirchhoff Energy [Volume 13, Issue 3, 2022, Pages 175-185]
Energy gap Investigations of Solvent Effect on Electrochemical and Electronically Properties of Some Quinone Drugs: A Computational Study [Volume 13, Issue 3, 2022, Pages 187-199]
Entire Sombor index Entire Sombor Index of Graphs [Volume 14, Issue 1, 2023, Pages 33-45]
Entire Sombor index Lower Bounds on the Entire Sombor Index [Volume 14, Issue 4, 2023, Pages 195-205]
Entropy A Characterization of the Entropy--Gibbs Transformations [Volume 5, Issue 1, 2014, Pages 69-75]
Entropy measure On ‎Nirmala ‎Indices-based ‎Entropy Measures of ‎Silicon ‎Carbide Network [Volume 14, Issue 4, 2023, Pages 271-288]
Enumeration Type-Itemized Enumeration of RS-Stereoisomers of Octahedral Complexes [Volume 7, Issue 2, 2016, Pages 113-153]
Enumeration Enumeration of Conformers of Octahedral [M(ABC)_{6}] Complex on the Basis of Computational Group Theory [Volume 7, Issue 2, 2016, Pages 223-234]
Erratic property Turbulence, Erratic Property and Horseshoes in a Coupled Lattice System related with Belusov−Zhabotinsky Reaction [Volume 11, Issue 3, 2020, Pages 133-140]
Error analysis Numerical Study of One-Phase Stefan-Type Problems [Volume 16, Issue 2, 2025, Pages 127-139]
Error analysis Robust Numerical Approach for Solving Robin Boundary Value Problems [Volume 17, Issue 1, 2026, Pages 77-94]
Error estimate The Effect of Fractional-Order Derivative for Pattern Formation‎ ‎of Brusselator‎ ‎Reaction–Diffusion Model Occurring in Chemical Reactions [Volume 14, Issue 4, 2023, Pages 243-269]
Estrada index Some Lower Bounds for Estrada Index [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 67-72]
Estrada index On the Eigenvalues of Rhomboidal C4C8(R)[n; n] Nanotori [Volume 10, Issue 1, 2019, Pages 11-20]
Euclidean graph On Symmetry of Some Nano Structures [Volume 3, Supplement 1, 2012, Pages 29-36]
Euclidean metric Quantization of Sombor Energy for ‎Complete ‎Graphs with‎ ‎Self-Loops of‎ ‎Large Size [Volume 14, Issue 4, 2023, Pages 225-241]
Euler characteristic Polygonal Tiling of Some Surfaces Containing Fullerene Molecules [Volume 5, Issue 2, 2014, Pages 99-105]
Eulerian graphs The Irregularity and Total Irregularity of Eulerian Graphs [Volume 9, Issue 2, 2018, Pages 101-111]
Evolution equations A Diffusion Equation with Exponential Nonlinearity Recant Developments [Volume 4, Issue 2, 2013, Pages 143-162]
Exchange and Correlation Energy Development of Mathematical Methods of DFT by Using the Physical Chemistry Parameters of Quinolines C26H23ClN4 and C26H23FN4 [Volume 13, Issue 3, 2022, Pages 227-237]
Excitation-emission data Photoluminescence Quantitative Analysis of Gallic Acid and Caffeine in Green Tea Using Multi-way Chemometric Approaches [Volume 6, Issue 2, 2015, Pages 109-119]
Exothermic reaction Variational Formulation of Thermal Explosion Problem with Internal Heat Generation [Volume 17, Issue 1, 2026, Pages 1-11]
Expanded Wiener index A Novel Topological Descriptor Based on the Expanded Wiener index: Applications to QSPR/QSAR Studies [Volume 8, Issue 2, 2017, Pages 107-135]
Expected value Hosoya Polynomials of Random Benzenoid Chains [Volume 7, Issue 1, 2016, Pages 29-38]
Expected value The Gutman Index and Schultz Index in the Random Phenylene Chains [Volume 12, Issue 2, 2021, Pages 67-78]
Expected value Expected Value of Zagreb Indices of Random Bipartite Graphs [Volume 15, Issue 1, 2024, Pages 27-37]
Expiration date Direct‎ ‎Mathematical‎ ‎Models‎ ‎for‎ ‎Estimating‎ ‎the‎ ‎Shelf‎ Life of Second‎- ‎and Zero-Order Degradation Relationships of Food and Drugs [Volume 14, Issue 3, 2023, Pages 161-169]
Explicit methods A New Explicit Singularly P-Stable Four-Step Method for the Numerical Solution of Second Order IVPs [Volume 11, Issue 1, 2020, Pages 17-31]
Exponential reduced Sombor index Another Approach to a Conjecture about the Exponential Reduced Sombor Index of Molecular Trees [Volume 13, Issue 2, 2022, Pages 99-108]
Extremal graph Eccentric Connectivity Index: Extremal Graphs and Values [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 45-56]
Extremal graph On Generalized Atom-bond Connectivity Index of Cacti [Volume 10, Issue 4, 2019, Pages 319-330]
Extremal graph Extremal polygonal cacti for Wiener index and Kirchhoff index [Volume 11, Issue 3, 2020, Pages 201-211]
Extremal graph Harmonic-Arithmetic Index of Unicyclic Graphs [Volume 16, Issue 2, 2025, Pages 93-108]
Extremal value On Edge Mostar Index of Graphs [Volume 11, Issue 2, 2020, Pages 95-106]
Extremal value Extremal Cacti with respect to Sombor index [Volume 12, Issue 4, 2021, Pages 197-208]

F

F and G indices Comparison of Topological Indices Based on Iterated ‘Sum’ versus ‘Product’ Operations [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 43-67]
Fed Batch Reactor Solving ‎‎‎Multi-objective Optimal Control Problems of chemical ‎processes ‎using ‎Hybrid ‎Evolutionary ‎Algorithm [Volume 10, Issue 2, 2019, Pages 103-126]
Finite difference method On the Numerical Solution of Widely Used 2D Stochastic Partial‎ ‎Differential‎ ‎Equation in Representing‎ ‎Reaction-Diffusion Processes [Volume 16, Issue 1, 2025, Pages 13-31]
Finite difference methods A New Family of High-order Difference Schemes for the Solution of Second Order Boundary Value Problems [Volume 9, Issue 3, 2018, Pages 187-199]
First geometric-arithmetic index On Second Geometric-Arithmetic Index of Graphs [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 17-28]
First geometric-arithmetic index On Third Geometric-Arithmetic Index of Graphs [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 29-36]
First variable Zagreb index‎ On the First Variable Zagreb Index [Volume 8, Issue 3, 2017, Pages 275-283]
First Zagreb coindex An Upper Bound on the First Zagreb Index in Trees [Volume 8, Issue 1, 2017, Pages 71-82]
First Zagreb co–index On the General Sum–Connectivity Co–Index of Graphs [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 89-98]
First Zagreb index An Upper Bound on the First Zagreb Index in Trees [Volume 8, Issue 1, 2017, Pages 71-82]
First Zagreb index Upper and Lower Bounds for the First and Second Zagreb Indices of Quasi Bicyclic Graphs [Volume 12, Issue 2, 2021, Pages 79-88]
First Zagreb index On the Minimal Unicyclic and Bicyclic Graphs with Respect to the Neighborhood First Zagreb Index [Volume 13, Issue 2, 2022, Pages 109-128]
Fish meal Evaluation of the Mineral Contents in Fish Meal by FT- NIR using PLS and Kernel PLS [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 31-38]
Fixed-bed reactor modelling Concentration of Ethanol and Acetaldehyde Inside the Catalyst Particle and in the Reaction Stream: Theoretical and Numerical Approach [Volume 17, Issue 3, 2026, Pages 233-253]
Fixed point theory Solving Time-fractional Chemical Engineering Equations by Modified Variational Iteration Method as Fixed Point Iteration Method [Volume 8, Issue 4, 2017, Pages 365-375]
Flow polynomial Flow Polynomial of some Dendrimers [Volume 5, Supplement 1, 2014, Pages 17-20]
Forgotten topological index Graphs with Smallest Forgotten Index [Volume 8, Issue 3, 2017, Pages 259-273]
Forgotten topological index The F–Index for some Special Graphs and some Properties of the F–Index [Volume 9, Issue 3, 2018, Pages 213-225]
Four-component Brusselator model Emergence of Periodic Wave Solutions in a Diffusive Four-Component Brusselator Model [Volume 16, Issue 4, 2025, Pages 275-289]
Fourier analysis Fourth-order Numerical Solution of a Fractional PDE with the Nonlinear Source Term in the Electroanalytical Chemistry [Volume 3, Issue 2, 2012, Pages 195-220]
Fourth-kind Chebyshev polynomials Robust Numerical Approach for Solving Robin Boundary Value Problems [Volume 17, Issue 1, 2026, Pages 77-94]
Fractal-like Langmuir model Fractal-Like Kinetics Study of Adsorption on Multi-walled Carbon Nanotube [Volume 9, Issue 1, 2018, Pages 25-35]
Fractional calculus The Effect of Fractional-Order Derivative for Pattern Formation‎ ‎of Brusselator‎ ‎Reaction–Diffusion Model Occurring in Chemical Reactions [Volume 14, Issue 4, 2023, Pages 243-269]
Fractional derivative On the Generalized Mass Transfer with a Chemical Reaction: Fractional Derivative Model [Volume 7, Issue 1, 2016, Pages 77-88]
Fractional differential equations Solving Time-fractional Chemical Engineering Equations by Modified Variational Iteration Method as Fixed Point Iteration Method [Volume 8, Issue 4, 2017, Pages 365-375]
Fractional differential equations Explicit Chebyshev Collocation Method for Multi-Order Fractional‎ ‎Nonlinear‎ ‎Boundary‎ ‎Value‎ ‎Problems‎ ‎in Mathematical Chemistry [Volume 16, Issue 4, 2025, Pages 257-273]
Fractional Narayana polynomials neural network An Appropriate Fractional Narayana Polynomials Neural Network Method for a Mathematical Model of the Lung Cancer [Volume 17, Issue 2, 2026, Pages 217-232]
Fractional-order dynamical system‎ Extended Fractional-Time Oregonator Model Accounting for Proton Dynamics [Volume 17, Issue 2, 2026, Pages 137-177]
F-Sombor index Extremal Chemical Trees for a Modified Version of Sombor Index [Volume 15, Issue 4, 2024, Pages 259-268]
FT-NIRS Evaluation of the Mineral Contents in Fish Meal by FT- NIR using PLS and Kernel PLS [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 31-38]
Fullerene A Survey on Omega Polynomial of Some Nano Structures [Volume 2, Issue 2, 2011, Pages 1-65]
Fullerene Computing Vertex PI, Omega and Sadhana Polynomials of F12(2n+1) Fullerenes [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 105-110]
Fullerene The Clar Number of Fullerene C24n and Carbon Nanocone CNC4[n] [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 53-59]
Fullerene Distance Property of Fullerenes [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 99-107]
Fullerene Study of Fullerenes by their Algebraic Properties [Volume 3, Issue 1, 2012, Pages 9-24]
Fullerene Counting the Number of Spanning Trees of Graphs [Volume 4, Issue 1, 2013, Pages 111-121]
Fullerene Eccentricity Sequence and the Eccentric Connectivity Index of Two Special Categories of Fullerenes [Volume 5, Issue 1, 2014, Pages 63-68]
Fullerene Polygonal Tiling of Some Surfaces Containing Fullerene Molecules [Volume 5, Issue 2, 2014, Pages 99-105]
Fullerene graph Further Results on Wiener Polarity Index of Graphs [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 67-70]
Fullerene graph Relationship between Coefficients of Characteristic Polynomial and Matching Polynomial of Regular Graphs and its Applications [Volume 8, Issue 1, 2017, Pages 7-23]
Fullerene graph On the Stability of Fullerenes [Volume 10, Issue 1, 2019, Pages 57-69]
Fullerene graph On the Difference between Laplacian and Signless Laplacian Coefficients of a Graph and its Applications on the Fullerene Graphs [Volume 15, Issue 1, 2024, Pages 39-50]
Fullerene graphs Geometric-Arithmetic Index of Hamiltonian Fullerenes [Volume 3, Supplement 1, 2012, Pages 45-50]
Fullerene graphs On the Number of Perfect Star Packing and Perfect Pseudo Matching in Some Fullerene Graphs [Volume 14, Issue 1, 2023, Pages 7-18]
Fullerene graphs Introducing Two Transformations in Fullerene Graphs, Star and Semi-Star [Volume 14, Issue 3, 2023, Pages 135-143]
Fullerene graphs The Symmetric Division Eccentric Index of Two Infinite Classes of Fullerenes [Volume 16, Issue 4, 2025, Pages 355-372]
Fullerene transformations Introducing Two Transformations in Fullerene Graphs, Star and Semi-Star [Volume 14, Issue 3, 2023, Pages 135-143]
Fuzzy graph Laplacian Energy of a Fuzzy Graph [Volume 5, Issue 1, 2014, Pages 1-10]
Fuzzy laplacian matrix Laplacian Energy of a Fuzzy Graph [Volume 5, Issue 1, 2014, Pages 1-10]

G

GA_{4} index Computing GA4 Index of Some Graph Operations [Volume 3, Supplement 1, 2012, Pages 19-28]
GA Index Some Topological Indices of Nanostar Dendrimers [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 57-65]
GA Index Two Types of Geometric–Arithmetic Index of V–phenylenic Nanotube [Volume 2, Issue 2, 2011, Pages 109-117]
GA Index Computing GA4 Index of Some Graph Operations [Volume 3, Supplement 1, 2012, Pages 19-28]
Galvanic cell Weak Chemical Hyperstructures Associated to Electrochemical Cells [Volume 9, Issue 1, 2018, Pages 65-75]
Gap energy changes Compared‎ ‎Two Models‎ ‎for Shifted the Gap Energy in Acenes; Quantum Perturbation Theory and Topological Indices [Volume 15, Issue 3, 2024, Pages 189-201]
Gaussian 09 Investigations of Solvent Effect on Electrochemical and Electronically Properties of Some Quinone Drugs: A Computational Study [Volume 13, Issue 3, 2022, Pages 187-199]
Gauss–Lobatto nodes Chebyshev Finite Difference Method for a Two−point Boundary Value Problems with Applications to Chemical Reactor Theory [Volume 3, Issue 1, 2012, Pages 1-7]
Gene Expression data Feature Selection and Classification of Microarray Gene Expression Data of Ovarian Carcinoma Patients using Weighted Voting Support Vector Machine [Volume 4, Issue 2, 2013, Pages 163-175]
General augmented Zagreb index Degree-Based Function Index of Graphs with Given Connectivity [Volume 14, Issue 3, 2023, Pages 183-194]
General degree-eccentricity index On General Degree-Eccentricity Index For Trees with Fixed Diameter and Number of Pendent Vertices [Volume 14, Issue 1, 2023, Pages 19-32]
General delay operational matrix Utilizing General Lagrange Scaling Functions for Two Classes‎ ‎of‎ ‎Fractional‎ ‎Optimal‎ ‎Control‎ ‎Problems [Volume 17, Issue 1, 2026, Pages 95-112]
General eccentric connectivity index On General Degree-Eccentricity Index For Trees with Fixed Diameter and Number of Pendent Vertices [Volume 14, Issue 1, 2023, Pages 19-32]
General first Zagreb index Extremal Trees with Respect to Some Versions of Zagreb Indices Via Majorization [Volume 8, Issue 4, 2017, Pages 391-401]
General Gutman index A Note on the General Gutman Index of Graphs [Volume 17, Issue 3, 2026, Pages 271-285]
Generalized Airy functions On the Generalized Mass Transfer with a Chemical Reaction: Fractional Derivative Model [Volume 7, Issue 1, 2016, Pages 77-88]
Generalized Bethe Tree On the Spectra of Reduced Distance Matrix of the Generalized Bethe Trees [Volume 8, Issue 3, 2017, Pages 291-298]
Generalized First Schultz indices Generalized Schultz and Gutman Indices [Volume 13, Issue 4, 2022, Pages 301-316]
Generalized Gutman indices Generalized Schultz and Gutman Indices [Volume 13, Issue 4, 2022, Pages 301-316]
Generalized symmetries A Diffusion Equation with Exponential Nonlinearity Recant Developments [Volume 4, Issue 2, 2013, Pages 143-162]
General Lagrange scaling function Utilizing General Lagrange Scaling Functions for Two Classes‎ ‎of‎ ‎Fractional‎ ‎Optimal‎ ‎Control‎ ‎Problems [Volume 17, Issue 1, 2026, Pages 95-112]
General Riemann-Liouville fractional integration operational matrix Utilizing General Lagrange Scaling Functions for Two Classes‎ ‎of‎ ‎Fractional‎ ‎Optimal‎ ‎Control‎ ‎Problems [Volume 17, Issue 1, 2026, Pages 95-112]
General sum-connectivity index On General Sum-Connectivity Index of Benzenoid Systems and Phenylenes [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 97-104]
General sum–connectivity co–index On the General Sum–Connectivity Co–Index of Graphs [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 89-98]
Generating function Hosoya Polynomials of Random Benzenoid Chains [Volume 7, Issue 1, 2016, Pages 29-38]
Geometric–arithmetic Some Topological Indices of Graphs and some Inequalities [Volume 3, Issue 1, 2012, Pages 73-80]
Geometric-arithmetic index A Note on the First Geometric-Arithmetic Index of Hexagonal Systems and Phenylenes [Volume 2, Issue 2, 2011, Pages 101-108]
Geometric-arithmetic index On the Difference of Atom-Bond Connectivity Index and Randić Index with Some Topological Indices [Volume 13, Issue 1, 2022, Pages 19-32]
Geometric–arithmetic index On the Total Version of Geometric-arithmetic Index [Volume 4, Issue 1, 2013, Pages 21-26]
Geometric –arithmetic index Geometric-Arithmetic Index of Hamiltonian Fullerenes [Volume 3, Supplement 1, 2012, Pages 45-50]
Geometric-quadratic index Geometric-Quadratic Index from a Mathematical Perspective [Volume 16, Issue 2, 2025, Pages 85-92]
Gibbs free energy A Characterization of the Entropy--Gibbs Transformations [Volume 5, Issue 1, 2014, Pages 69-75]
Gibbs function On Selected Properties of the Gibbs Function Topological Manifold [Volume 13, Issue 4, 2022, Pages 253-280]
Gini index The Maximal Total Irregularity of Some Connected Graphs [Volume 6, Issue 2, 2015, Pages 121-128]
Girth Maximum Modified Sombor Index of Unicyclic Graphs with Given Girth [Volume 15, Issue 2, 2024, Pages 117-122]
Girth Harmonic-Arithmetic‎ ‎Index‎ ‎of‎ ‎Unicyclic‎ ‎Graphs‎ ‎with given Girth and Connected Graphs with Minimum Degree [Volume 17, Issue 1, 2026, Pages 35-51]
Global forcing number Complete Forcing Numbers of Polyphenyl Systems [Volume 7, Issue 1, 2016, Pages 39-46]
Graovac-Ghorbani index On the Graovc-Ghorbani and Atom-Bond Connectivity Indices of Graphs from Primary Subgraphs [Volume 13, Issue 1, 2022, Pages 45-72]
Graph On Second Geometric-Arithmetic Index of Graphs [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 17-28]
Graph On Third Geometric-Arithmetic Index of Graphs [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 29-36]
Graph The Eccentric Connectivity Index of Some Special Graphs [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 61-65]
Graph Computing the First and Third Zagreb Polynomials of Cartesian Product of Graphs [Volume 2, Issue 2, 2011, Pages 73-78]
Graph On the Tutte Polynomial of Benzenoid Chains [Volume 3, Issue 2, 2012, Pages 113-119]
Graph Chromatic Polynomials of Some Nanostars [Volume 3, Issue 2, 2012, Pages 127-135]
Graph Fourth Order and Fourth Sum Connectivity Indices of Tetrathiafulvalene Dendrimers [Volume 3, Issue 2, 2012, Pages 155-163]
Graph Flow Polynomial of some Dendrimers [Volume 5, Supplement 1, 2014, Pages 17-20]
Graph Hyper-tubes of Hyper-cubes [Volume 6, Issue 2, 2015, Pages 163-168]
Graph Sombor index of certain graphs [Volume 12, Issue 1, 2021, Pages 27-37]
Graph Counterexamples to a Conjecture on the Mostar Index of a Graph and its Line Graph [Volume 17, Issue 2, 2026, Pages 129-136]
Graph distance Some Topological Indices Related to Paley Graphs [Volume 11, Issue 2, 2020, Pages 107-112]
Graph energy Open Problems for Equienergetic Graphs [Volume 6, Issue 2, 2015, Pages 185-187]
Graph energy Borderenergetic Graphs of Order 12 [Volume 8, Issue 4, 2017, Pages 339-344]
Graph energy Exponential Growth of Graph Resolvent [Volume 12, Issue 3, 2021, Pages 187-195]
Graph energy On the Energy and Nullity of Non-Uniform Path and Cycle Semigraphs [Volume 17, Issue 1, 2026, Pages 53-75]
Graph energy Comment on “Lower and Upper Bounds between Energy‎, Laplacian Energy‎, ‎and Sombor Index of Some Graphs'' Iranian J‎. ‎Math‎. ‎Chem‎. ‎16 (2025) 33-38 [Volume 17, Issue 3, 2026, Pages 255-257]
Graph operation Some New Results On the Hosoya Polynomial of Graph Operations [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 37-43]
Graph operation Remarks on Distance-Balanced Graphs [Volume 2, Issue 2, 2011, Pages 67-71]
Graph operation Note on Properties of First Zagreb Index of Graphs [Volume 3, Supplement 1, 2012, Pages 1-5]
Graph operation Applications of Graph Operations [Volume 3, Supplement 1, 2012, Pages 37-43]
Graph operation The Hyper-Zagreb Index of Graph Operations [Volume 4, Issue 2, 2013, Pages 213-220]
Graph operation Applications of some Graph Operations in Computing some Invariants of Chemical Graphs [Volume 4, Issue 2, 2013, Pages 221-230]
Graph operation A Note on Hyper-Zagreb Index of Graph Operations [Volume 7, Issue 1, 2016, Pages 89-92]
Graph operation Trees with the Greatest Wiener and Edge-Wiener Index [Volume 10, Issue 2, 2019, Pages 151-159]
Graph operations Computing GA4 Index of Some Graph Operations [Volume 3, Supplement 1, 2012, Pages 19-28]
Graph operations Some Graph Operations and Titania Nanotubes in Reformulated Y-index and Reformulated S-index [Volume 14, Issue 2, 2023, Pages 65-76]
Graph operations Neighborhood‎ ‎M-Polynomial of‎ ‎Graph‎ ‎Operations: Exploring Nanostructure Applications and Correcting Cycle-Related Graph Results [Volume 15, Issue 3, 2024, Pages 155-174]
Graph Ordering Ordering Tricyclic Connected Graphs Having Minimum Degree Distance [Volume 16, Issue 3, 2025, Pages 199-205]
Graph polynomial M-polynomial and Degree-based Topological Indices [Volume 6, Issue 2, 2015, Pages 93-102]
Graph polynomial On the M-polynomial of Planar Chemical Graphs [Volume 11, Issue 2, 2020, Pages 65-71]
Graph products On the Forgotten Topological Index [Volume 8, Issue 3, 2017, Pages 327-338]
Graph spectrum On the Eigenvalues of Rhomboidal C4C8(R)[n; n] Nanotori [Volume 10, Issue 1, 2019, Pages 11-20]
Graphs with self-loops Quantization of Sombor Energy for ‎Complete ‎Graphs with‎ ‎Self-Loops of‎ ‎Large Size [Volume 14, Issue 4, 2023, Pages 225-241]
Graph-theoretical descriptor Use of Structure Codes (Counts) for Computing Topological Indices of Carbon Nanotubes: Sadhana (Sd) Index of Phenylenes and its Hexagonal Squeezes [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 91-94]
Graph theory Centric Connectivity Index by Shell Matrices [Volume 3, Issue 1, 2012, Pages 35-43]
Graph theory Relationship Between Topological Indices and Thermodynamic Properties and of the Monocarboxylic Acids Applications in QSPR [Volume 6, Issue 1, 2015, Pages 15-28]
Graph theory QSPR Study on Benzene Derivatives to Some Physico-Chemical Properties by Using Topological Indices [Volume 7, Issue 1, 2016, Pages 93-110]
Graph theory A Novel Topological Descriptor Based on the Expanded Wiener index: Applications to QSPR/QSAR Studies [Volume 8, Issue 2, 2017, Pages 107-135]
Graph theory On Selected Properties of the Gibbs Function Topological Manifold [Volume 13, Issue 4, 2022, Pages 253-280]
Graph transformations On Extremal Values Of Total Structure Connectivity and Narumi-Katayama Indices on the Class of all Unicyclic and Bicyclic Graphs [Volume 14, Issue 3, 2023, Pages 171-181]
Grassmann graph Reciprocal Degree Distance of Grassmann Graphs [Volume 4, Issue 2, 2013, Pages 249-255]
Green tea Photoluminescence Quantitative Analysis of Gallic Acid and Caffeine in Green Tea Using Multi-way Chemometric Approaches [Volume 6, Issue 2, 2015, Pages 109-119]
Group action On the Mark and Markaracter Tables of Finite Groups [Volume 7, Issue 2, 2016, Pages 253-266]
Group action The‎ ‎Man‎ ‎Who‎ ‎Knew‎ ‎Symmetry‎: ‎A‎ ‎Tribute‎ ‎to Ali Reza Ashrafi [Volume 15, Issue 4, 2024, Pages 297-317]
Gutman Index Some Topological Indices of Edge Corona of Two Graphs [Volume 10, Issue 3, 2019, Pages 209-222]
Gutman Index QSPR Analysis with Curvilinear Regression Modeling and Topological Indices [Volume 10, Issue 4, 2019, Pages 331-341]
Gutman Index Some Indices in the Random Spiro Chains [Volume 11, Issue 4, 2020, Pages 255-270]
Gutman Index The Gutman Index and Schultz Index in the Random Phenylene Chains [Volume 12, Issue 2, 2021, Pages 67-78]

H

Hadamard's theorem Infinite Product Representation of Solution of Indefinite SturmLIouville Problem [Volume 4, Issue 1, 2013, Pages 27-40]
Haj´os join On Common Neighborhood Graphs II [Volume 9, Issue 1, 2018, Pages 37-46]
Hamiltonian Topological Indices and Disjoint Path Cover Property of Graphs [Volume 17, Issue 2, 2026, Pages 201-216]
Hamiltonian graphs Geometric-Arithmetic Index of Hamiltonian Fullerenes [Volume 3, Supplement 1, 2012, Pages 45-50]
Hamming graph Topological Indices of Certain Graphs [Volume 13, Issue 3, 2022, Pages 167-174]
Harary index Reciprocal Degree Distance of Grassmann Graphs [Volume 4, Issue 2, 2013, Pages 249-255]
Harary index Three-center Harary Index and its Applications [Volume 7, Issue 1, 2016, Pages 61-68]
Harary index Distance-Based Topological Indices and Double graph [Volume 8, Issue 1, 2017, Pages 83-91]
Harary index Nordhaus-Gaddum Type Results for the Harary Index of Graphs [Volume 8, Issue 2, 2017, Pages 181-198]
Harmonic-arithmetic index Harmonic-Arithmetic Index of Unicyclic Graphs [Volume 16, Issue 2, 2025, Pages 93-108]
Harmonic-arithmetic index Harmonic-Arithmetic‎ ‎Index‎ ‎of‎ ‎Unicyclic‎ ‎Graphs‎ ‎with given Girth and Connected Graphs with Minimum Degree [Volume 17, Issue 1, 2026, Pages 35-51]
Harmonic index On the Harmonic Index and Harmonic Polynomial of Caterpillars with Diameter Four [Volume 6, Issue 1, 2015, Pages 41-49]
Harmonic index On Sombor Index and some Topological Indices [Volume 12, Issue 4, 2021, Pages 209-215]
Harmonic polynomial On the Harmonic Index and Harmonic Polynomial of Caterpillars with Diameter Four [Volume 6, Issue 1, 2015, Pages 41-49]
H-eigenvalue Non-uniform Hypergraphs [Volume 11, Issue 3, 2020, Pages 161-177]
Hexacyclic system Matching Polynomials and Independence Polynomials of Hexacyclic Systems [Volume 17, Issue 2, 2026, Pages 179-199]
Hexagonal chain Computation of the Sadhana (Sd) Index of Linear Phenylenes and Corresponding Hexagonal Sequences [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 79-90]
Hexagonal chains VDB-Hosoya Index of Hexagonal Chains [Volume 16, Issue 4, 2025, Pages 337-353]
Hexagonal squeeze Use of Structure Codes (Counts) for Computing Topological Indices of Carbon Nanotubes: Sadhana (Sd) Index of Phenylenes and its Hexagonal Squeezes [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 91-94]
Hexagonal squeeze On General Sum-Connectivity Index of Benzenoid Systems and Phenylenes [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 97-104]
Hexagonal system A Note on the First Geometric-Arithmetic Index of Hexagonal Systems and Phenylenes [Volume 2, Issue 2, 2011, Pages 101-108]
Hierarchical product Applications of Graph Operations [Volume 3, Supplement 1, 2012, Pages 37-43]
High accuracy A New Family of High-order Difference Schemes for the Solution of Second Order Boundary Value Problems [Volume 9, Issue 3, 2018, Pages 187-199]
Higher Randić index On the Higher Randić Index [Volume 4, Issue 2, 2013, Pages 257-263]
Higher rank structure Rhombellanic Crystals and Quasicrystals [Volume 9, Issue 3, 2018, Pages 167-178]
High-performance liquid chromatography A Robust Spectrophotometric Method using Least Squares Support Vector Machine for Simultaneous Determination of Anti−Diabetic Drugs and Comparison with the Chromatographic Method [Volume 11, Issue 1, 2020, Pages 43-55]
HIV-1 model‎ A Nonstandard Finite Difference Scheme for Solving‎ ‎Fractional-order Model of HIV-1 Infection of‎ ‎CD4^{+} t-cells [Volume 6, Issue 2, 2015, Pages 169-184]
HOMA Aromaticity of fullerenes, the Way to their Functionalization (Review) [Volume 10, Issue 1, 2019, Pages 71-91]
Hopf bifurcation Emergence of Periodic Wave Solutions in a Diffusive Four-Component Brusselator Model [Volume 16, Issue 4, 2025, Pages 275-289]
Hosoya Index Some Relations Between Kekule Structure and Morgan-Voyce Polynomials [Volume 8, Issue 2, 2017, Pages 221-229]
Hosoya Index Computing the Hosoya and the Merrifield-Simmons Indices of Two Special Benzenoid Systems [Volume 12, Issue 3, 2021, Pages 161-174]
Hosoya index of weighted graphs VDB-Hosoya Index of Hexagonal Chains [Volume 16, Issue 4, 2025, Pages 337-353]
Hosoya polynomial Hosoya Polynomial of an Infinite Family of Dendrimer Nanostar [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 71-79]
Hosoya polynomial On the Roots of Hosoya Polynomial of a Graph [Volume 4, Issue 2, 2013, Pages 231-238]
Hosoya polynomial Hosoya Polynomials of Random Benzenoid Chains [Volume 7, Issue 1, 2016, Pages 29-38]
H-Phenylenic Nanotorus On the Distance Based Indices of H-phenylenic Nanotorus [Volume 6, Issue 1, 2015, Pages 29-39]
H_{v}-group Weak Algebraic Hyperstructures as a Model for Interpretation of Chemical Reactions [Volume 7, Issue 2, 2016, Pages 267-283]
Hv-semigroup Weak Chemical Hyperstructures Associated to Electrochemical Cells [Volume 9, Issue 1, 2018, Pages 65-75]
Hv-semigroup Chemical Hyperstructures for Elements with Four Oxidation States [Volume 13, Issue 2, 2022, Pages 85-97]
Hybrid functions Fractional-Order‎ ‎Pell Hybrid‎ ‎Functions for Solving Variable-Order Fractional Differential Equations and their Application in Chemistry [Volume 16, Issue 3, 2025, Pages 223-244]
Hybrid method Implicit One-step L-stable Generalized Hybrid Methods for the Numerical Solution of First Order Initial Value problems [Volume 4, Issue 2, 2013, Pages 201-212]
Hybrid methods The New High Approximation of Stiff Systems of First Order IVPs Arising from Chemical Reactions by k-step L-stable Hybrid Methods [Volume 10, Issue 2, 2019, Pages 181-193]
Hyperbolic function method Concentration of Ethanol and Acetaldehyde Inside the Catalyst Particle and in the Reaction Stream: Theoretical and Numerical Approach [Volume 17, Issue 3, 2026, Pages 233-253]
Hyperdiamond Hyperdiamonds: a Topological View [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 7-29]
Hypergroup Weak Algebraic Hyperstructures as a Model for Interpretation of Chemical Reactions [Volume 7, Issue 2, 2016, Pages 267-283]
Hypergroup Chemical Hyperstructures for Elements with Four Oxidation States [Volume 13, Issue 2, 2022, Pages 85-97]
Hypergroups Chemical Hyperstructures for Neptunium‎, ‎Rubidium‎, ‎and Plutonium [Volume 16, Issue 3, 2025, Pages 207-222]
Hyperideal Construction of Zero-Divisor Graph of a Hyperlattice with Respect to Hyperideals [Volume 15, Issue 3, 2024, Pages 123-135]
Hyperlattice Construction of Zero-Divisor Graph of a Hyperlattice with Respect to Hyperideals [Volume 15, Issue 3, 2024, Pages 123-135]
Hyper−Wiener index Computing PI and Hyper–Wiener Indices of Corona Product of some Graphs [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 131-135]
Hyperstructures Chemical Salt Reactions as Algebraic Hyperstructures [Volume 10, Issue 2, 2019, Pages 93-102]
Hyper-torus Hyper-tubes of Hyper-cubes [Volume 6, Issue 2, 2015, Pages 163-168]
Hyper-tube Hyper-tubes of Hyper-cubes [Volume 6, Issue 2, 2015, Pages 163-168]
Hyper Wiener index The Topological Indices of some Dendrimer Graphs [Volume 8, Issue 1, 2017, Pages 25-35]
Hyper-Zagreb index The Hyper-Zagreb Index of Graph Operations [Volume 4, Issue 2, 2013, Pages 213-220]
Hyper-Zagreb index A Note on Hyper-Zagreb Index of Graph Operations [Volume 7, Issue 1, 2016, Pages 89-92]

I

Immune cells An Appropriate Fractional Narayana Polynomials Neural Network Method for a Mathematical Model of the Lung Cancer [Volume 17, Issue 2, 2026, Pages 217-232]
Increased Sombor index On the Reduced and Increased Sombor Indices of Trees‎ ‎with‎ ‎Given‎ ‎Order and Maximum‎ ‎Degree [Volume 15, Issue 4, 2024, Pages 227-237]
Independence number Computing Multiplicative Zagreb Indices with Respect to Chromatic and Clique Numbers [Volume 5, Issue 1, 2014, Pages 11-18]
Independence polynomial Matching Polynomials and Independence Polynomials of Hexacyclic Systems [Volume 17, Issue 2, 2026, Pages 179-199]
Independent sets The Expected Values of Merrifield-Simmons Index in Random Phenylene Chains [Volume 11, Issue 4, 2020, Pages 271-281]
Infinite products Infinite Product Representation of Solution of Indefinite SturmLIouville Problem [Volume 4, Issue 1, 2013, Pages 27-40]
Initial value problem Implicit One-step L-stable Generalized Hybrid Methods for the Numerical Solution of First Order Initial Value problems [Volume 4, Issue 2, 2013, Pages 201-212]
Initial value problems Trigonometrically Fitted Two-step Obrechkoff Methods for the Numerical Solution of Periodic Initial Value Problems [Volume 6, Issue 2, 2015, Pages 145-161]
Initial value problems A‎ ‎Family‎ ‎of‎ ‎Amplified‎ ‎$3$-Step‎ ‎St{"o}rmer‎ ‎Methods‎ ‎for Solving the Schr{"o}dinger Equation and its Related Problems [Volume 16, Issue 4, 2025, Pages 313-336]
Interdiction The Matching Interdiction Problem in Dendrimers [Volume 6, Issue 1, 2015, Pages 63-79]
Intersection graph‎ Computing Szeged Index of Graphs on Triples [Volume 8, Issue 2, 2017, Pages 175-180]
Inverse Nodal problem The Uniqueness Theorem for Inverse Nodal Problems with a Chemical Potential [Volume 8, Issue 4, 2017, Pages 403-411]
Inverse problem Finding the $V_2(555 − 777)$ Double Vacancy Defect in Graphene Using Rotational Symmetry [Volume 14, Issue 1, 2023, Pages 55-64]
Iota energy A new notion of energy of digraphs [Volume 12, Issue 2, 2021, Pages 111-125]
IPR fullerene PI, Szeged and Revised Szeged Indices of IPR Fullerenes [Volume 2, Issue 2, 2011, Pages 87-99]
ISI index On the Eigenvalues of some Matrices based on Vertex Degree [Volume 9, Issue 2, 2018, Pages 149-156]

K

Kashan In Memory of Professor Ali Reza Ashrafi (1964-2023)‎: A Matchless Role Model in Mathematical Chemistry in Iran [Volume 14, Issue 1, 2023, Pages 1-6]
Kato's chaos Kato's chaos and P-chaos of a coupled lattice system given by Garcia Guirao and Lampart which is related with Belusov-Zhabotinskii reaction [Volume 11, Issue 1, 2020, Pages 1-9]
K-center Steiner Harary index Nordhaus-Gaddum Type Results for the Harary Index of Graphs [Volume 8, Issue 2, 2017, Pages 181-198]
Kekulé structure The Clar Number of Fullerene C24n and Carbon Nanocone CNC4[n] [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 53-59]
Kekule structure Some Relations Between Kekule Structure and Morgan-Voyce Polynomials [Volume 8, Issue 2, 2017, Pages 221-229]
Kekulé structure Altan Derivatives of a Graph [Volume 5, Issue 2, 2014, Pages 85-90]
Kenogram On Terminal Wiener Indices of Kenograms and Plerograms [Volume 4, Issue 1, 2013, Pages 77-89]
Kinetics equation Fractal-Like Kinetics Study of Adsorption on Multi-walled Carbon Nanotube [Volume 9, Issue 1, 2018, Pages 25-35]
Kirchhoff index Extremal polygonal cacti for Wiener index and Kirchhoff index [Volume 11, Issue 3, 2020, Pages 201-211]
Kirchhoff index Kirchhoff Index and Kirchhoff Energy [Volume 13, Issue 3, 2022, Pages 175-185]
Kirchhoff index The Laplacian Spectrum of the Generalized $n$-Prism Networks [Volume 15, Issue 2, 2024, Pages 65-78]
KPLS Evaluation of the Mineral Contents in Fish Meal by FT- NIR using PLS and Kernel PLS [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 31-38]
Kragujevac Extremal Kragujevac Trees with Respect to Randic Energy [Volume 16, Issue 3, 2025, Pages 245-255]
Kragujevac trees On the Characteristic Polynomial and Spectrum of the Terminal Distance Matrix of Kragujevac Trees [Volume 12, Issue 2, 2021, Pages 89-99]

L

Lagrange identity A Note on the Bounds of Laplacian-energy-like-invariant [Volume 9, Issue 2, 2018, Pages 137-147]
Laplace transform On the Generalized Mass Transfer with a Chemical Reaction: Fractional Derivative Model [Volume 7, Issue 1, 2016, Pages 77-88]
Laplace transform The Matrix Transformation Technique for the Time‎- ‎Space Fractional Linear Schrödinger Equation [Volume 15, Issue 3, 2024, Pages 137-154]
Laplacian coefficient On the Difference between Laplacian and Signless Laplacian Coefficients of a Graph and its Applications on the Fullerene Graphs [Volume 15, Issue 1, 2024, Pages 39-50]
Laplacian eigenvalue Counting the Number of Spanning Trees of Graphs [Volume 4, Issue 1, 2013, Pages 111-121]
Laplacian energy Computation of Some Graph Energies of the Zero-Divisor Graph Associated‎~ ‎with the Commutative Ring $mathbb{Z}_{p^{2}}[x]/langle x^{2} angle$ [Volume 15, Issue 2, 2024, Pages 79-90]
Laplacian energy Lower and Upper Bounds between Energy‎, ‎Laplacian Energy‎, ‎and Sombor Index of Some Graphs [Volume 16, Issue 1, 2025, Pages 33-38]
Laplacian energy Comment on “Lower and Upper Bounds between Energy‎, Laplacian Energy‎, ‎and Sombor Index of Some Graphs'' Iranian J‎. ‎Math‎. ‎Chem‎. ‎16 (2025) 33-38 [Volume 17, Issue 3, 2026, Pages 255-257]
Laplacian-energy-like invariant A Note on the Bounds of Laplacian-energy-like-invariant [Volume 9, Issue 2, 2018, Pages 137-147]
Laplacian energy of fuzzy graph Laplacian Energy of a Fuzzy Graph [Volume 5, Issue 1, 2014, Pages 1-10]
Laplacian indices More Inequalities for Laplacian Indices by Way of Majorization [Volume 9, Issue 1, 2018, Pages 17-24]
Laplacian matrix Computing the Additive Degree-Kirchhoff Index with the Laplacian Matrix [Volume 8, Issue 3, 2017, Pages 285-290]
Laplacian matrix Computation of Some Graph Energies of the Zero-Divisor Graph Associated‎~ ‎with the Commutative Ring $mathbb{Z}_{p^{2}}[x]/langle x^{2} angle$ [Volume 15, Issue 2, 2024, Pages 79-90]
Laplacian spectra The Laplacian Spectrum of the Generalized $n$-Prism Networks [Volume 15, Issue 2, 2024, Pages 65-78]
Laplacian spectrum Laplacian Energy of a Fuzzy Graph [Volume 5, Issue 1, 2014, Pages 1-10]
Laplacian spectrum A Note on the Bounds of Laplacian-energy-like-invariant [Volume 9, Issue 2, 2018, Pages 137-147]
Laplacian tensor Non-uniform Hypergraphs [Volume 11, Issue 3, 2020, Pages 161-177]
Latimer diagram Chemical Hyperstructures for Neptunium‎, ‎Rubidium‎, ‎and Plutonium [Volume 16, Issue 3, 2025, Pages 207-222]
Lattice, Map operations Omega Polynomial in All R[8] Lattices [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 69-77]
Leap eccentric connectivity index Some Properties of the Leap Eccentric Connectivity Index of Graphs [Volume 11, Issue 4, 2020, Pages 227-237]
Least squares support vector machine A Robust Spectrophotometric Method using Least Squares Support Vector Machine for Simultaneous Determination of Anti−Diabetic Drugs and Comparison with the Chromatographic Method [Volume 11, Issue 1, 2020, Pages 43-55]
Legendre pseudospectral method Optimal Control of Switched Systems by a Modified Pseudo Spectral Method [Volume 8, Issue 2, 2017, Pages 161-173]
Legendre wavelet method A Numerical Study of Fractional Order Reverse Osmosis Desalination Model using Legendre Wavelet Approximation [Volume 8, Issue 4, 2017, Pages 345-364]
Lévêque Problem On the Generalized Mass Transfer with a Chemical Reaction: Fractional Derivative Model [Volume 7, Issue 1, 2016, Pages 77-88]
Lexicographic product The Schultz Index for Product Graphs [Volume 13, Issue 1, 2022, Pages 1-17]
Lie group analysis A Diffusion Equation with Exponential Nonlinearity Recant Developments [Volume 4, Issue 2, 2013, Pages 143-162]
Linear heptagonal structure Metric Dimension for Line Graph of Some Chemical Structures [Volume 15, Issue 4, 2024, Pages 269-282]
Linear phenylene structure Metric Dimension for Line Graph of Some Chemical Structures [Volume 15, Issue 4, 2024, Pages 269-282]
Link On Multiplicative Zagreb Indices of Graphs [Volume 3, Issue 2, 2012, Pages 145-154]
Link A Note on Vertex-Edge Wiener Indices of Graphs [Volume 7, Issue 1, 2016, Pages 11-17]
Link The Distinguishing Number and the Distinguishing Index of Graphs from Primary Subgraphs [Volume 10, Issue 3, 2019, Pages 223-240]
Liquid crystals (HnCBP) Odd-Even Effect Observed in the Electro-Optical Properties of the Homologous Series of HnCBP Liquid Crystal Studied under the Impact of the Electric Field: A Theoretical Approach [Volume 11, Issue 4, 2020, Pages 239-254]
Li-Yorke's chaos Kato's chaos and P-chaos of a coupled lattice system given by Garcia Guirao and Lampart which is related with Belusov-Zhabotinskii reaction [Volume 11, Issue 1, 2020, Pages 1-9]
Local metric dimension Local Metric Dimension of Some (k,6)-Fullerenes [Volume 16, Issue 3, 2025, Pages 171-179]
Local stability analysis Extended Fractional-Time Oregonator Model Accounting for Proton Dynamics [Volume 17, Issue 2, 2026, Pages 137-177]
Lower and upper bounds On the General Sum–Connectivity Co–Index of Graphs [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 89-98]
Lower bound On the Reduced and Increased Sombor Indices of Trees‎ ‎with‎ ‎Given‎ ‎Order and Maximum‎ ‎Degree [Volume 15, Issue 4, 2024, Pages 227-237]
Lower bounds Some Lower Bounds for Estrada Index [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 67-72]
LS-SVM Quantitative Structure Activity Relationship Study of Inhibitory Activities of 5-Lipoxygenase and Design New Compounds by Different Chemometrics Methods [Volume 7, Issue 1, 2016, Pages 47-59]
L-Stability The New High Approximation of Stiff Systems of First Order IVPs Arising from Chemical Reactions by k-step L-stable Hybrid Methods [Volume 10, Issue 2, 2019, Pages 181-193]
Lung Cancer An Appropriate Fractional Narayana Polynomials Neural Network Method for a Mathematical Model of the Lung Cancer [Volume 17, Issue 2, 2026, Pages 217-232]

M

Markaracter table On the Mark and Markaracter Tables of Finite Groups [Volume 7, Issue 2, 2016, Pages 253-266]
Mark table On the Mark and Markaracter Tables of Finite Groups [Volume 7, Issue 2, 2016, Pages 253-266]
Mark table‎ The‎ ‎Man‎ ‎Who‎ ‎Knew‎ ‎Symmetry‎: ‎A‎ ‎Tribute‎ ‎to Ali Reza Ashrafi [Volume 15, Issue 4, 2024, Pages 297-317]
Matching The Matching Interdiction Problem in Dendrimers [Volume 6, Issue 1, 2015, Pages 63-79]
Matching The Number of Maximal Matchings in Polyphenylene Chains [Volume 10, Issue 4, 2019, Pages 343-360]
Matching polynomial Relationship between Coefficients of Characteristic Polynomial and Matching Polynomial of Regular Graphs and its Applications [Volume 8, Issue 1, 2017, Pages 7-23]
Matching polynomial Matching Polynomials and Independence Polynomials of Hexacyclic Systems [Volume 17, Issue 2, 2026, Pages 179-199]
Matrix transformation technique The Matrix Transformation Technique for the Time‎- ‎Space Fractional Linear Schrödinger Equation [Volume 15, Issue 3, 2024, Pages 137-154]
Maximal graphs The Number of 1-Nearly Independent Edge Subsets [Volume 16, Issue 1, 2025, Pages 65-84]
Maximal matching On the Saturation Number of Graphs [Volume 9, Issue 4, 2018, Pages 289-299]
Maximum degree A New Approach to Compute Acyclic Chromatic Index of Certain Chemical Structures [Volume 6, Issue 1, 2015, Pages 51-61]
Maximum degree On Extremal General Multiplicative Zagreb Indices [Volume 16, Issue 2, 2025, Pages 141-153]
Maximum vertex degree of graph On the Reduced and Increased Sombor Indices of Trees‎ ‎with‎ ‎Given‎ ‎Order and Maximum‎ ‎Degree [Volume 15, Issue 4, 2024, Pages 227-237]
Maxwellian molecules A Nonlinear Second Order Field Equation – Similarity Solutions and Relation to a Bellmann-type Equation - Applications to Maxwellian Molecules [Volume 4, Issue 1, 2013, Pages 1-20]
Merrifield-Simmons index The Expected Values of Merrifield-Simmons Index in Random Phenylene Chains [Volume 11, Issue 4, 2020, Pages 271-281]
Merrifield-Simmons index Computing the Hosoya and the Merrifield-Simmons Indices of Two Special Benzenoid Systems [Volume 12, Issue 3, 2021, Pages 161-174]
Meshless Method An Upwind Local Radial Basis Functions-finite Difference (RBF-FD) Method for Solving Compressible Euler Equation with Application in Finite-rate Chemistry [Volume 10, Issue 3, 2019, Pages 251-267]
Metformin A Robust Spectrophotometric Method using Least Squares Support Vector Machine for Simultaneous Determination of Anti−Diabetic Drugs and Comparison with the Chromatographic Method [Volume 11, Issue 1, 2020, Pages 43-55]
Metric basis Metric Dimension for Line Graph of Some Chemical Structures [Volume 15, Issue 4, 2024, Pages 269-282]
Metric dimension Metric Dimension for Line Graph of Some Chemical Structures [Volume 15, Issue 4, 2024, Pages 269-282]
Michaelis-Menten kinetics Spectral Poly-Sinc Collocation Method for Solving a Singular Nonlinear BVP of Reaction-Diffusion with Michaelis-Menten Kinetics in a Catalyst/Biocatalyst [Volume 14, Issue 2, 2023, Pages 77-96]
Michaelis-Menten model Numerical Modeling for Nonlinear Biochemical Reaction Networks [Volume 8, Issue 4, 2017, Pages 413-423]
Minimal graphs The Number of 1-Nearly Independent Edge Subsets [Volume 16, Issue 1, 2025, Pages 65-84]
Minimum degree Harmonic-Arithmetic‎ ‎Index‎ ‎of‎ ‎Unicyclic‎ ‎Graphs‎ ‎with given Girth and Connected Graphs with Minimum Degree [Volume 17, Issue 1, 2026, Pages 35-51]
Mixture The Conditions of the Violations of Le Chatlier’s Principle in Gas Reactions at Constant T and P [Volume 8, Issue 1, 2017, Pages 47-52]
MLR Quantitative Structure Activity Relationship Study of Inhibitory Activities of 5-Lipoxygenase and Design New Compounds by Different Chemometrics Methods [Volume 7, Issue 1, 2016, Pages 47-59]
MLR Determination of Critical Properties of Alkanes Derivatives Using Multiple Linear Regression [Volume 8, Issue 2, 2017, Pages 199-220]
MLR Neonicotinoids Activity Against Cowpea Aphids by Computational Estimation [Volume 10, Issue 1, 2019, Pages 21-44]
MLR method QSPR Modeling of Heat Capacity, Thermal Energy and Entropy of Aliphatic Aldehydes by using Topological Indices and MLR Method [Volume 7, Issue 2, 2016, Pages 235-251]
Modeling Novel Atom-Type-Based Topological Descriptors for Simultaneous Prediction of Gas Chromatographic Retention Indices of Saturated Alcohols on Different Stationary Phases [Volume 9, Issue 2, 2018, Pages 121-135]
Modified reduced elliptic index On Closed Derivation Formulas over the M-polynomial for the Elliptic-Type Indices of a Graph [Volume 16, Issue 4, 2025, Pages 291-312]
Modified Schultz index On the Distance Based Indices of H-phenylenic Nanotorus [Volume 6, Issue 1, 2015, Pages 29-39]
Modified Sombor index Maximum Modified Sombor Index of Unicyclic Graphs with Given Girth [Volume 15, Issue 2, 2024, Pages 117-122]
Molecular Descriptors Predeiction of ∆H0f(gas) ,∆H0f(Liq) of Amines Derivatives Using Chemometrics (A Quantitative Structure-Property Relationship Study) [Volume 10, Issue 2, 2019, Pages 161-179]
Molecular Graph On Second Geometric-Arithmetic Index of Graphs [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 17-28]
Molecular Graph On Third Geometric-Arithmetic Index of Graphs [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 29-36]
Molecular Graph Study of Fullerenes by their Algebraic Properties [Volume 3, Issue 1, 2012, Pages 9-24]
Molecular Graph On the Edge Reverse Wiener Indices of TUC4C8(S) Nanotubes [Volume 3, Issue 1, 2012, Pages 55-65]
Molecular Graph Wiener Index of a New Type of Nanostar Dendrimer [Volume 2, Issue 2, 2011, Pages 79-85]
Molecular Graph Computing the Szeged Index of 4,4 ׳-Bipyridinium Dendrimer [Volume 3, Issue 1, 2012, Pages 67-72]
Molecular Graph Altan Derivatives of a Graph [Volume 5, Issue 2, 2014, Pages 85-90]
Molecular Graph Edge-decomposition of Topological Indices [Volume 6, Issue 2, 2015, Pages 103-108]
Molecular Graph Three-center Harary Index and its Applications [Volume 7, Issue 1, 2016, Pages 61-68]
Molecular graphs On the Graovac-Ghorbani Index [Volume 10, Issue 4, 2019, Pages 295-305]
Molecular graphs Some New Results on Mostar Index of Graphs [Volume 11, Issue 1, 2020, Pages 33-42]
Molecular graphs Properties of Laplacian Eigenvalues of Some Bicyclic and Tricyclic Graphs [Volume 17, Issue 1, 2026, Pages 13-33]
Molecular graph with tree structure‎, Multiplicative Zagreb indices The Ratio and Product of the Multiplicative Zagreb‎ Indices [Volume 8, Issue 4, 2017, Pages 377-390]
Molecular matrix On the Edge Reverse Wiener Indices of TUC4C8(S) Nanotubes [Volume 3, Issue 1, 2012, Pages 55-65]
Molecular structure Topological Properties of Commuting Graphs over Semi-Dihedral Groups [Volume 16, Issue 2, 2025, Pages 109-126]
Molecular topology Hyperdiamonds: a Topological View [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 7-29]
Moments The Ratio and Product of the Multiplicative Zagreb‎ Indices [Volume 8, Issue 4, 2017, Pages 377-390]
Monocarboxylic acid Relationship Between Topological Indices and Thermodynamic Properties and of the Monocarboxylic Acids Applications in QSPR [Volume 6, Issue 1, 2015, Pages 15-28]
Morgan-Voyce polynomial Some Relations Between Kekule Structure and Morgan-Voyce Polynomials [Volume 8, Issue 2, 2017, Pages 221-229]
Mostar index Computing the Mostar Index in Networks with Applications to Molecular Graphs [Volume 12, Issue 1, 2021, Pages 1-18]
Mostar index On a Conjecture on Edge Mostar Index of Bicyclic Graphs [Volume 14, Issue 2, 2023, Pages 97-108]
Mostar index On Some Extremal Results and Bounds of Additively Weighted Edge Mostar Index [Volume 16, Issue 1, 2025, Pages 51-64]
Mostar index A Note on the Additively Weighted Mostar Index of Graphs [Volume 16, Issue 2, 2025, Pages 155-170]
Mostar Index‎ Counterexamples to a Conjecture on the Mostar Index of a Graph and its Line Graph [Volume 17, Issue 2, 2026, Pages 129-136]
M-polynomial M-polynomial of some Graph Operations and Cycle Related Graphs [Volume 10, Issue 2, 2019, Pages 127-150]
M-polynomial Investigation of Closed Derivation Formulas for GQ and QG Indices of a Graph via M-polynomial [Volume 13, Issue 2, 2022, Pages 129-144]
M-polynomial On ‎Nirmala ‎Indices-based ‎Entropy Measures of ‎Silicon ‎Carbide Network [Volume 14, Issue 4, 2023, Pages 271-288]
Multicenter Harary index Three-center Harary Index and its Applications [Volume 7, Issue 1, 2016, Pages 61-68]
Multiderivative methods A New Two-step Hybrid Singularly P-stable Method for the Numerical Solution of Second-order IVPs with Oscillating Solutions [Volume 11, Issue 2, 2020, Pages 113-132]
Multi-objective optimal ‎control Solving ‎‎‎Multi-objective Optimal Control Problems of chemical ‎processes ‎using ‎Hybrid ‎Evolutionary ‎Algorithm [Volume 10, Issue 2, 2019, Pages 103-126]
Multiple linear regression QSAR Modeling of Antimicrobial Activity with Some Novel 1,2,4 Triazole Derivatives, Comparison with Experimental Study [Volume 4, Issue 1, 2013, Pages 91-109]
Multiple Linear Regression (MLR) Prediction of IC50 Values of 2−benzyloxybenzamide Derivatives using Multiple Linear Regression and Artificial Neural Network Methods [Volume 11, Issue 3, 2020, Pages 179-199]
Multiple linear regressions (MLR) QSPR Study on Benzene Derivatives to Some Physico-Chemical Properties by Using Topological Indices [Volume 7, Issue 1, 2016, Pages 93-110]
Multiple Zagreb indices Note on Multiple Zagreb Indices [Volume 3, Issue 2, 2012, Pages 137-143]
Multiplicative degree-Kirchhoff index；Additive degree-Kirchhoff index Some Indices in the Random Spiro Chains [Volume 11, Issue 4, 2020, Pages 255-270]
Multiplicative reformulated first Zagreb index On the Multiplicative‎ ‎Reformulated‎ ‎First‎ ‎Zagreb Index of n-Vertex‎ ‎Trees ‎ ‎with Respect to Matching Number [Volume 15, Issue 3, 2024, Pages 203-225]
Multiplicative Zagreb index Computing Multiplicative Zagreb Indices with Respect to Chromatic and Clique Numbers [Volume 5, Issue 1, 2014, Pages 11-18]
Multiplicative Zagreb index‎ On the Multiplicative Zagreb Indices of Bucket Recursive‎ ‎Trees [Volume 8, Issue 1, 2017, Pages 37-45]
Multiplicative Zagreb indices On Multiplicative Zagreb Indices of Graphs [Volume 3, Issue 2, 2012, Pages 145-154]
Multiplicative Zagreb indices Extremal Trees with Respect to Some Versions of Zagreb Indices Via Majorization [Volume 8, Issue 4, 2017, Pages 391-401]
Multiplicative Zagreb indices Multiplicative Zagreb Indices and Extremal Complexity of Line Graphs [Volume 15, Issue 1, 2024, Pages 7-16]
Multistep methods Implicit One-step L-stable Generalized Hybrid Methods for the Numerical Solution of First Order Initial Value problems [Volume 4, Issue 2, 2013, Pages 201-212]
Multi-walled carbon nanotube Fractal-Like Kinetics Study of Adsorption on Multi-walled Carbon Nanotube [Volume 9, Issue 1, 2018, Pages 25-35]
Mycielskian Degree Distance Index of the Mycielskian and its Complement [Volume 7, Issue 1, 2016, Pages 1-9]
Mycielski graph On Common Neighborhood Graphs II [Volume 9, Issue 1, 2018, Pages 37-46]

N

Nanad Trinajstic Autobiographical Notes [Volume 8, Issue 3, 2017, Pages 231-257]
Nanocomposite material • Polyerthersulfone membrane • Silica nanoparticles • Support Vector Machine (SVM) Investigation the Effect of Nanocomposite Material on Permeation Flux of Polyerthersulfone Membrane Using a Mathematical Approach [Volume 7, Issue 1, 2016, Pages 69-75]
Nanostar Eccentric Connectivity and Augmented Eccentric Connectivity Indices of N-Branched Phenylacetylenes Nanostar Dendrimers [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 105-110]
Nanostar Chromatic Polynomials of Some Nanostars [Volume 3, Issue 2, 2012, Pages 127-135]
Nanostar dendrimer Wiener Index of a New Type of Nanostar Dendrimer [Volume 2, Issue 2, 2011, Pages 79-85]
Nanostar dendrimer The First Geometric–Arithmetic Index of Some Nanostar Dendrimers [Volume 5, Supplement 1, 2014, Pages 1-6]
Nanostar dendrimer Acyclic Coloring of Certain Chemical Structures [Volume 14, Issue 2, 2023, Pages 109-120]
Nanostar dendrimers Some Topological Indices of Nanostar Dendrimers [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 57-65]
Nanostar dendrimers On Counting Polynomials of Some Nanostructures [Volume 3, Supplement 1, 2012, Pages 51-58]
Nanostructure On the Second Order First Zagreb Index [Volume 8, Issue 3, 2017, Pages 299-311]
Nanostructure Compared‎ ‎Two Models‎ ‎for Shifted the Gap Energy in Acenes; Quantum Perturbation Theory and Topological Indices [Volume 15, Issue 3, 2024, Pages 189-201]
Nanotechnology Padmakar-Ivan Index in Nanotechnology [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 7-42]
Nanotori A Note on Atom Bond Connectivity Index [Volume 3, Supplement 1, 2012, Pages 67-75]
Nanotube A Survey on Omega Polynomial of Some Nano Structures [Volume 2, Issue 2, 2011, Pages 1-65]
Nanotube A Note on Atom Bond Connectivity Index [Volume 3, Supplement 1, 2012, Pages 67-75]
Nanotubes On the Edge Reverse Wiener Indices of TUC4C8(S) Nanotubes [Volume 3, Issue 1, 2012, Pages 55-65]
Narumi-Katayama index On Extremal Values Of Total Structure Connectivity and Narumi-Katayama Indices on the Class of all Unicyclic and Bicyclic Graphs [Volume 14, Issue 3, 2023, Pages 171-181]
Neighborhood ﬁrst Zagreb index On the Minimal Unicyclic and Bicyclic Graphs with Respect to the Neighborhood First Zagreb Index [Volume 13, Issue 2, 2022, Pages 109-128]
Neighborhood topological indices On the Minimal Unicyclic and Bicyclic Graphs with Respect to the Neighborhood First Zagreb Index [Volume 13, Issue 2, 2022, Pages 109-128]
Neighbourhood Polynomial The Neighbourhood Polynomial of some Nanostructures [Volume 5, Supplement 1, 2014, Pages 21-25]
Neighbourly irregular Neighbourly Irregular Derived Graphs [Volume 8, Issue 1, 2017, Pages 53-60]
Network hubs A Fast Approach to the Detection of All-Purpose Hubs in Complex Networks with Chemical Applications [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 81-96]
NICS Aromaticity of fullerenes, the Way to their Functionalization (Review) [Volume 10, Issue 1, 2019, Pages 71-91]
Nirmala index Extremal Chemical Trees for a Modified Version of Sombor Index [Volume 15, Issue 4, 2024, Pages 259-268]
Nirmala indices On ‎Nirmala ‎Indices-based ‎Entropy Measures of ‎Silicon ‎Carbide Network [Volume 14, Issue 4, 2023, Pages 271-288]
Nodal points The Uniqueness Theorem for Inverse Nodal Problems with a Chemical Potential [Volume 8, Issue 4, 2017, Pages 403-411]
Non-classical heat equation Numerical Study of One-Phase Stefan-Type Problems [Volume 16, Issue 2, 2025, Pages 127-139]
Non-definite problem Infinite Product Representation of Solution of Indefinite SturmLIouville Problem [Volume 4, Issue 1, 2013, Pages 27-40]
Non-dominated ‎sorting Solving ‎‎‎Multi-objective Optimal Control Problems of chemical ‎processes ‎using ‎Hybrid ‎Evolutionary ‎Algorithm [Volume 10, Issue 2, 2019, Pages 103-126]
Nonlinear boundary value problems Explicit Chebyshev Collocation Method for Multi-Order Fractional‎ ‎Nonlinear‎ ‎Boundary‎ ‎Value‎ ‎Problems‎ ‎in Mathematical Chemistry [Volume 16, Issue 4, 2025, Pages 257-273]
Nonlinear partial differential equations Extensions to Study Electrochemical Interfaces - A Contribution to the Theory of Ions [Volume 5, Issue 1, 2014, Pages 31-46]
Nonlinear partial differential equations (nPDEs) A Nonlinear Second Order Field Equation – Similarity Solutions and Relation to a Bellmann-type Equation - Applications to Maxwellian Molecules [Volume 4, Issue 1, 2013, Pages 1-20]
Nonlinear partial differential equations (nPDEs) An Algebraic Calculation Method for Describing Time-dependent Processes in Electrochemistry – Expansion of Existing Procedures [Volume 9, Issue 2, 2018, Pages 77-100]
Nonlinear partial differential equation(s) or (nPDE(s)) A Diffusion Equation with Exponential Nonlinearity Recant Developments [Volume 4, Issue 2, 2013, Pages 143-162]
Nonlinear reaction kinetics Concentration of Ethanol and Acetaldehyde Inside the Catalyst Particle and in the Reaction Stream: Theoretical and Numerical Approach [Volume 17, Issue 3, 2026, Pages 233-253]
Nonlocal periodic boundary‎ ‎condition‎ Retrieving‎ ‎the‎ ‎Transient‎ ‎Temperature‎ ‎Field and Blood Perfusion‎ ‎Coefficient‎ ‎in‎ ‎the‎ ‎Pennes‎ ‎Bioheat‎ ‎Equation Subject to Nonlocal and Convective Boundary Conditions [Volume 15, Issue 2, 2024, Pages 91-105]
Non-planar polycyclic molecule An Application of Geometrical Isometries in Non-planar Molecules [Volume 9, Issue 4, 2018, Pages 255-261]
Non-uniform cycle On the Energy and Nullity of Non-Uniform Path and Cycle Semigraphs [Volume 17, Issue 1, 2026, Pages 53-75]
Non-uniform Hypergrap Non-uniform Hypergraphs [Volume 11, Issue 3, 2020, Pages 161-177]
Non-uniform path On the Energy and Nullity of Non-Uniform Path and Cycle Semigraphs [Volume 17, Issue 1, 2026, Pages 53-75]
NSFD Method Numerical Modeling for Nonlinear Biochemical Reaction Networks [Volume 8, Issue 4, 2017, Pages 413-423]
Nullcline analysis‎ Extended Fractional-Time Oregonator Model Accounting for Proton Dynamics [Volume 17, Issue 2, 2026, Pages 137-177]
Nullity On the Energy and Nullity of Non-Uniform Path and Cycle Semigraphs [Volume 17, Issue 1, 2026, Pages 53-75]
Numerical methods Chebyshev Finite Difference Method for a Two−point Boundary Value Problems with Applications to Chemical Reactor Theory [Volume 3, Issue 1, 2012, Pages 1-7]

O

Obrechkoff methods Trigonometrically Fitted Two-step Obrechkoff Methods for the Numerical Solution of Periodic Initial Value Problems [Volume 6, Issue 2, 2015, Pages 145-161]
Octahedral complex Type-Itemized Enumeration of RS-Stereoisomers of Octahedral Complexes [Volume 7, Issue 2, 2016, Pages 113-153]
Octahedral [M(ABC)6] Complex Enumeration of Conformers of Octahedral [M(ABC)_{6}] Complex on the Basis of Computational Group Theory [Volume 7, Issue 2, 2016, Pages 223-234]
Odd-Even effect Odd-Even Effect Observed in the Electro-Optical Properties of the Homologous Series of HnCBP Liquid Crystal Studied under the Impact of the Electric Field: A Theoretical Approach [Volume 11, Issue 4, 2020, Pages 239-254]
Off-step points Implicit One-step L-stable Generalized Hybrid Methods for the Numerical Solution of First Order Initial Value problems [Volume 4, Issue 2, 2013, Pages 201-212]
Omega polynomial Omega Polynomial in All R[8] Lattices [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 69-77]
Omega polynomial A Survey on Omega Polynomial of Some Nano Structures [Volume 2, Issue 2, 2011, Pages 1-65]
Omega polynomial Computing Vertex PI, Omega and Sadhana Polynomials of F12(2n+1) Fullerenes [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 105-110]
Omega polynomial On Counting Polynomials of Some Nanostructures [Volume 3, Supplement 1, 2012, Pages 51-58]
Omega polynomial Spongy Diamond [Volume 10, Issue 1, 2019, Pages 1-9]
Omega polynomial Rhombellane-related Crystal Networks [Volume 11, Issue 2, 2020, Pages 73-81]
One-Alpha descriptor One-Alpha Descriptor [Volume 9, Issue 3, 2018, Pages 179-186]
Open tubulene Automatic Graph Construction of Periodic Open Tubulene ((5,6,7)3) and Computation of its Wiener, PI, and Szeged Indices [Volume 3, Issue 1, 2012, Pages 81-94]
Optimal control Optimal Control of Switched Systems by a Modified Pseudo Spectral Method [Volume 8, Issue 2, 2017, Pages 161-173]
Optimal pebbling number Pebbling Number of Polymers [Volume 16, Issue 1, 2025, Pages 39-49]
Optimization Algorithm An Appropriate Fractional Narayana Polynomials Neural Network Method for a Mathematical Model of the Lung Cancer [Volume 17, Issue 2, 2026, Pages 217-232]
Optimization solution Pell Wavelet Optimization Method for Solving Time‎-Fractional Convection Diffusion Equations Arising in Science and Medicine [Volume 15, Issue 4, 2024, Pages 239-258]
Ordinary differential equations A New Two-step Obrechkoff Method with Vanished Phase-lag and Some of its Derivatives for the Numerical Solution of Radial Schrodinger Equation and Related IVPs with Oscillating Solutions [Volume 8, Issue 2, 2017, Pages 137-159]
Ordinary differential equations A New Explicit Singularly P-Stable Four-Step Method for the Numerical Solution of Second Order IVPs [Volume 11, Issue 1, 2020, Pages 17-31]
Oscillating solution Trigonometrically Fitted Two-step Obrechkoff Methods for the Numerical Solution of Periodic Initial Value Problems [Volume 6, Issue 2, 2015, Pages 145-161]
Oscillatory problems A New Two-step Hybrid Singularly P-stable Method for the Numerical Solution of Second-order IVPs with Oscillating Solutions [Volume 11, Issue 2, 2020, Pages 113-132]
Ovarian Cancer Feature Selection and Classification of Microarray Gene Expression Data of Ovarian Carcinoma Patients using Weighted Voting Support Vector Machine [Volume 4, Issue 2, 2013, Pages 163-175]
Oxide and silicate network Acyclic Coloring of Certain Chemical Structures [Volume 14, Issue 2, 2023, Pages 109-120]
Oxide networks Investigation of the Partition Dimension in Chemical Networks and its Application in Chemistry [Volume 15, Issue 2, 2024, Pages 51-63]

P

Padmakar−Ivan index Padmakar-Ivan Index in Nanotechnology [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 7-42]
Paley graph Some Topological Indices Related to Paley Graphs [Volume 11, Issue 2, 2020, Pages 107-112]
Paley graph Topological Indices of Certain Graphs [Volume 13, Issue 3, 2022, Pages 167-174]
Pareto optimal ‎frontier Solving ‎‎‎Multi-objective Optimal Control Problems of chemical ‎processes ‎using ‎Hybrid ‎Evolutionary ‎Algorithm [Volume 10, Issue 2, 2019, Pages 103-126]
Partition dimension Investigation of the Partition Dimension in Chemical Networks and its Application in Chemistry [Volume 15, Issue 2, 2024, Pages 51-63]
Path On the Roots of Hosoya Polynomial of a Graph [Volume 4, Issue 2, 2013, Pages 231-238]
Path graph On the Laplacian Szeged Spectrum of Paths [Volume 11, Issue 1, 2020, Pages 57-63]
P-chaos Kato's chaos and P-chaos of a coupled lattice system given by Garcia Guirao and Lampart which is related with Belusov-Zhabotinskii reaction [Volume 11, Issue 1, 2020, Pages 1-9]
Pebbling number Pebbling Number of Polymers [Volume 16, Issue 1, 2025, Pages 39-49]
Pell wavelets Pell Wavelet Optimization Method for Solving Time‎-Fractional Convection Diffusion Equations Arising in Science and Medicine [Volume 15, Issue 4, 2024, Pages 239-258]
Pendant vertex On General Degree-Eccentricity Index For Trees with Fixed Diameter and Number of Pendent Vertices [Volume 14, Issue 1, 2023, Pages 19-32]
Pendant vertex A Note on the General Gutman Index of Graphs [Volume 17, Issue 3, 2026, Pages 271-285]
Pendant vertices On Generalized Atom-bond Connectivity Index of Cacti [Volume 10, Issue 4, 2019, Pages 319-330]
Pennes equation Retrieving‎ ‎the‎ ‎Transient‎ ‎Temperature‎ ‎Field and Blood Perfusion‎ ‎Coefficient‎ ‎in‎ ‎the‎ ‎Pennes‎ ‎Bioheat‎ ‎Equation Subject to Nonlocal and Convective Boundary Conditions [Volume 15, Issue 2, 2024, Pages 91-105]
Pentacyclic graphs Graphs with Smallest Forgotten Index [Volume 8, Issue 3, 2017, Pages 259-273]
Pentagonal chain Wiener Numbers of Random Pentagonal Chains [Volume 4, Issue 1, 2013, Pages 59-76]
Perfect pseudo matching On the Number of Perfect Star Packing and Perfect Pseudo Matching in Some Fullerene Graphs [Volume 14, Issue 1, 2023, Pages 7-18]
Perfect pseudo matching Introducing Two Transformations in Fullerene Graphs, Star and Semi-Star [Volume 14, Issue 3, 2023, Pages 135-143]
Perfect star packing On the Number of Perfect Star Packing and Perfect Pseudo Matching in Some Fullerene Graphs [Volume 14, Issue 1, 2023, Pages 7-18]
Perfect star packing Introducing Two Transformations in Fullerene Graphs, Star and Semi-Star [Volume 14, Issue 3, 2023, Pages 135-143]
Periodic orbit Finding the $V_2(555 − 777)$ Double Vacancy Defect in Graphene Using Rotational Symmetry [Volume 14, Issue 1, 2023, Pages 55-64]
Periodic wave solutions Emergence of Periodic Wave Solutions in a Diffusive Four-Component Brusselator Model [Volume 16, Issue 4, 2025, Pages 275-289]
Pharmacophore Neonicotinoids Activity Against Cowpea Aphids by Computational Estimation [Volume 10, Issue 1, 2019, Pages 21-44]
Phase-lag A New Two-step Obrechkoff Method with Vanished Phase-lag and Some of its Derivatives for the Numerical Solution of Radial Schrodinger Equation and Related IVPs with Oscillating Solutions [Volume 8, Issue 2, 2017, Pages 137-159]
Phase-lag A New Explicit Singularly P-Stable Four-Step Method for the Numerical Solution of Second Order IVPs [Volume 11, Issue 1, 2020, Pages 17-31]
Phenylene On General Sum-Connectivity Index of Benzenoid Systems and Phenylenes [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 97-104]
Phenylene chains The Expected Values of Merrifield-Simmons Index in Random Phenylene Chains [Volume 11, Issue 4, 2020, Pages 271-281]
Phenylenes Computation of the Sadhana (Sd) Index of Linear Phenylenes and Corresponding Hexagonal Sequences [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 79-90]
Phenylenes A Note on the First Geometric-Arithmetic Index of Hexagonal Systems and Phenylenes [Volume 2, Issue 2, 2011, Pages 101-108]
Phosphorus Evaluation of the Mineral Contents in Fish Meal by FT- NIR using PLS and Kernel PLS [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 31-38]
Physicochemical properties A Novel Molecular Descriptor Derived from Weighted Line Graph [Volume 10, Issue 3, 2019, Pages 195-207]
PI Energy Sharp Bounds on the PI Spectral Radius [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 111-117]
PI index Comparison of Topological Indices Based on Iterated ‘Sum’ versus ‘Product’ Operations [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 43-67]
PI index Computation of the Sadhana (Sd) Index of Linear Phenylenes and Corresponding Hexagonal Sequences [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 79-90]
PI index Second and Third Extremals of Catacondensed Hexagonal Systems with Respect to the PI Index [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 95-103]
PI index Computing PI and Hyper–Wiener Indices of Corona Product of some Graphs [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 131-135]
PI index Some Topological Indices of Tetrameric 1,3-Adamantane [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 111-118]
PI index PI, Szeged and Revised Szeged Indices of IPR Fullerenes [Volume 2, Issue 2, 2011, Pages 87-99]
PI index Automatic Graph Construction of Periodic Open Tubulene ((5,6,7)3) and Computation of its Wiener, PI, and Szeged Indices [Volume 3, Issue 1, 2012, Pages 81-94]
PI index Wiener, Szeged and Vertex PI Indices of Regular Tessellations [Volume 3, Issue 2, 2012, Pages 165-183]
PI Matrix Sharp Bounds on the PI Spectral Radius [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 111-117]
Pioglitazone A Robust Spectrophotometric Method using Least Squares Support Vector Machine for Simultaneous Determination of Anti−Diabetic Drugs and Comparison with the Chromatographic Method [Volume 11, Issue 1, 2020, Pages 43-55]
PI polynomial On Counting Polynomials of Some Nanostructures [Volume 3, Supplement 1, 2012, Pages 51-58]
PI-polynomial Computing Chemical Properties of Molecules by Graphs and Rank Polynomials [Volume 3, Supplement 1, 2012, Pages 59-65]
PI Spectral Radius Sharp Bounds on the PI Spectral Radius [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 111-117]
PIv index Computing Vertex PI Index of Tetrathiafulvalene Dendrimers [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 125-130]
Plerogram On Terminal Wiener Indices of Kenograms and Plerograms [Volume 4, Issue 1, 2013, Pages 77-89]
Poisson-Boltzmann Equation Extensions to Study Electrochemical Interfaces - A Contribution to the Theory of Ions [Volume 5, Issue 1, 2014, Pages 31-46]
Poisson-Boltzmann Equation (PBE) An Algebraic Calculation Method for Describing Time-dependent Processes in Electrochemistry – Expansion of Existing Procedures [Volume 9, Issue 2, 2018, Pages 77-100]
Polybenzenes Aromaticity of fullerenes, the Way to their Functionalization (Review) [Volume 10, Issue 1, 2019, Pages 71-91]
Polycyclic aromatic hydrocarbons On Closed Derivation Formulas over the M-polynomial for the Elliptic-Type Indices of a Graph [Volume 16, Issue 4, 2025, Pages 291-312]
Polygonal tiling Polygonal Tiling of Some Surfaces Containing Fullerene Molecules [Volume 5, Issue 2, 2014, Pages 99-105]
Polyhedral graphs The‎ ‎Man‎ ‎Who‎ ‎Knew‎ ‎Symmetry‎: ‎A‎ ‎Tribute‎ ‎to Ali Reza Ashrafi [Volume 15, Issue 4, 2024, Pages 297-317]
Polymer Pebbling Number of Polymers [Volume 16, Issue 1, 2025, Pages 39-49]
Polyomino chain A Note on the Zeroth-order General Randić Index of Cacti and Polyomino Chains [Volume 5, Issue 2, 2014, Pages 143-152]
Polyomino chains Acyclic Coloring of Certain Chemical Structures [Volume 14, Issue 2, 2023, Pages 109-120]
Polyphenly system Complete Forcing Numbers of Polyphenyl Systems [Volume 7, Issue 1, 2016, Pages 39-46]
Poly-sinc collocation method Spectral Poly-Sinc Collocation Method for Solving a Singular Nonlinear BVP of Reaction-Diffusion with Michaelis-Menten Kinetics in a Catalyst/Biocatalyst [Volume 14, Issue 2, 2023, Pages 77-96]
Preserver transformations A Characterization of the Entropy--Gibbs Transformations [Volume 5, Issue 1, 2014, Pages 69-75]
Primitive Development of Mathematical Methods of DFT by Using the Physical Chemistry Parameters of Quinolines C26H23ClN4 and C26H23FN4 [Volume 13, Issue 3, 2022, Pages 227-237]
Principal measure Topological Entropy‎, ‎Distributional Chaos and the Principal‎‎ Measure of a Class of Belusov−Zhabotinskii's Reaction Models Presented by García Guirao and Lampart ‎ [Volume 12, Issue 1, 2021, Pages 57-65]
Principle gas reaction The Conditions of the Violations of Le Chatlier’s Principle in Gas Reactions at Constant T and P [Volume 8, Issue 1, 2017, Pages 47-52]
Prism network The Laplacian Spectrum of the Generalized $n$-Prism Networks [Volume 15, Issue 2, 2024, Pages 65-78]
Product connectivity Banhatti index QSPR Analysis with Curvilinear Regression Modeling and Topological Indices [Volume 10, Issue 4, 2019, Pages 331-341]
Product graphs Neighbourly Irregular Derived Graphs [Volume 8, Issue 1, 2017, Pages 53-60]
P-stable A New Explicit Singularly P-Stable Four-Step Method for the Numerical Solution of Second Order IVPs [Volume 11, Issue 1, 2020, Pages 17-31]
Pyrazolone DFT Study of Kinetic and Thermodynamic Parameters of Tautomerism in 4−acyl Pyrazolone [Volume 4, Issue 2, 2013, Pages 185-199]

Q

QSAR Quantitative Structure Activity Relationship Study of Inhibitory Activities of 5-Lipoxygenase and Design New Compounds by Different Chemometrics Methods [Volume 7, Issue 1, 2016, Pages 47-59]
QSAR A Novel Topological Descriptor Based on the Expanded Wiener index: Applications to QSPR/QSAR Studies [Volume 8, Issue 2, 2017, Pages 107-135]
QSAR Prediction of IC50 Values of 2−benzyloxybenzamide Derivatives using Multiple Linear Regression and Artificial Neural Network Methods [Volume 11, Issue 3, 2020, Pages 179-199]
QSARINS Neonicotinoids Activity Against Cowpea Aphids by Computational Estimation [Volume 10, Issue 1, 2019, Pages 21-44]
QSPR Prediction of the Adsorption Capability onto Activated Carbon of Liquid Aliphatic Alcohols Using Molecular Fragments Method [Volume 5, Issue 2, 2014, Pages 127-142]
QSPR Relationship Between Topological Indices and Thermodynamic Properties and of the Monocarboxylic Acids Applications in QSPR [Volume 6, Issue 1, 2015, Pages 15-28]
QSPR QSPR Study on Benzene Derivatives to Some Physico-Chemical Properties by Using Topological Indices [Volume 7, Issue 1, 2016, Pages 93-110]
QSPR QSPR Modeling of Heat Capacity, Thermal Energy and Entropy of Aliphatic Aldehydes by using Topological Indices and MLR Method [Volume 7, Issue 2, 2016, Pages 235-251]
QSPR A Novel Topological Descriptor Based on the Expanded Wiener index: Applications to QSPR/QSAR Studies [Volume 8, Issue 2, 2017, Pages 107-135]
QSPR Determination of Critical Properties of Alkanes Derivatives Using Multiple Linear Regression [Volume 8, Issue 2, 2017, Pages 199-220]
QSPR QSPR Analysis with Curvilinear Regression Modeling and Topological Indices [Volume 10, Issue 4, 2019, Pages 331-341]
QSPR analysis QSPR Analysis of Some Novel Extension and Generalization of Sombor Index [Volume 13, Issue 1, 2022, Pages 73-84]
Quantitative structure-activity relationship QSAR Modeling of Antimicrobial Activity with Some Novel 1,2,4 Triazole Derivatives, Comparison with Experimental Study [Volume 4, Issue 1, 2013, Pages 91-109]
Quantitative structure–retention relationship Novel Atom-Type-Based Topological Descriptors for Simultaneous Prediction of Gas Chromatographic Retention Indices of Saturated Alcohols on Different Stationary Phases [Volume 9, Issue 2, 2018, Pages 121-135]
Quasicrystal Rhombellanic Crystals and Quasicrystals [Volume 9, Issue 3, 2018, Pages 167-178]
Quinolones Development of Mathematical Methods of DFT by Using the Physical Chemistry Parameters of Quinolines C26H23ClN4 and C26H23FN4 [Volume 13, Issue 3, 2022, Pages 227-237]

R

Randi\'c energy Extremal Kragujevac Trees with Respect to Randic Energy [Volume 16, Issue 3, 2025, Pages 245-255]
Randi\'{c} index Degree-Based Function Index of Graphs with Given Connectivity [Volume 14, Issue 3, 2023, Pages 183-194]
Randi{'c} index The Randic Index of Trees with given Total Domination Number [Volume 12, Issue 4, 2021, Pages 225-237]
Randi´c index General Randi´c Index of uniform Hypergraphs [Volume 14, Issue 2, 2023, Pages 121-133]
Randic index M-polynomial and Degree-based Topological Indices [Volume 6, Issue 2, 2015, Pages 93-102]
Randić index Some Topological Indices of Nanostar Dendrimers [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 57-65]
Randić index On the Higher Randić Index [Volume 4, Issue 2, 2013, Pages 257-263]
Randić index On the Harmonic Index and Harmonic Polynomial of Caterpillars with Diameter Four [Volume 6, Issue 1, 2015, Pages 41-49]
Randić index Relations between Sombor Index and some Degree-Based Topological Indices [Volume 12, Issue 1, 2021, Pages 19-26]
Randić index On the Difference of Atom-Bond Connectivity Index and Randić Index with Some Topological Indices [Volume 13, Issue 1, 2022, Pages 19-32]
Random benzenoid chain Hosoya Polynomials of Random Benzenoid Chains [Volume 7, Issue 1, 2016, Pages 29-38]
Random bipartite graphs Expected Value of Zagreb Indices of Random Bipartite Graphs [Volume 15, Issue 1, 2024, Pages 27-37]
Random cyclodecane chain, Kirchhoff index, Multiplicative degree-Kirchhoff index&lrm Kirchhoff‎, ‎Multiplicative and Additive Degree-Kirchhoff Indices in Random Cyclodecane Chains [Volume 17, Issue 3, 2026, Pages 287-306]
Random symmetric $(0‎ Expected Value of Zagreb Indices of Random Bipartite Graphs [Volume 15, Issue 1, 2024, Pages 27-37]
Rank one operator A Characterization of the Entropy--Gibbs Transformations [Volume 5, Issue 1, 2014, Pages 69-75]
RBF-FD technique An Upwind Local Radial Basis Functions-finite Difference (RBF-FD) Method for Solving Compressible Euler Equation with Application in Finite-rate Chemistry [Volume 10, Issue 3, 2019, Pages 251-267]
Reaction-diffusion Spectral Poly-Sinc Collocation Method for Solving a Singular Nonlinear BVP of Reaction-Diffusion with Michaelis-Menten Kinetics in a Catalyst/Biocatalyst [Volume 14, Issue 2, 2023, Pages 77-96]
Reaction–diffusion model Emergence of Periodic Wave Solutions in a Diffusive Four-Component Brusselator Model [Volume 16, Issue 4, 2025, Pages 275-289]
Reaction-sub-diffusion Fourth-order Numerical Solution of a Fractional PDE with the Nonlinear Source Term in the Electroanalytical Chemistry [Volume 3, Issue 2, 2012, Pages 195-220]
Reduced distance matrix On the Spectra of Reduced Distance Matrix of Thorn Graphs [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 81-87]
Reduced distance matrix On the Spectra of Reduced Distance Matrix of the Generalized Bethe Trees [Volume 8, Issue 3, 2017, Pages 291-298]
Reduced elliptic index On Closed Derivation Formulas over the M-polynomial for the Elliptic-Type Indices of a Graph [Volume 16, Issue 4, 2025, Pages 291-312]
Reduced Sombor index On the Reduced and Increased Sombor Indices of Trees‎ ‎with‎ ‎Given‎ ‎Order and Maximum‎ ‎Degree [Volume 15, Issue 4, 2024, Pages 227-237]
Regular plane tessellations Wiener, Szeged and Vertex PI Indices of Regular Tessellations [Volume 3, Issue 2, 2012, Pages 165-183]
Relative centricity Centric Connectivity Index by Shell Matrices [Volume 3, Issue 1, 2012, Pages 35-43]
Reliability The Reliability Wiener Number of Cartesian Product Graphs [Volume 6, Issue 2, 2015, Pages 129-135]
Reliability Wiener number On the Reliability Wiener Number [Volume 5, Issue 2, 2014, Pages 107-118]
Resistance distance‎ The Laplacian Polynomial and Kirchhoff Index of the k-th‎ Semi Total Point Graphs [Volume 5, Supplement 1, 2014, Pages 7-15]
Resolvent energy Resolvent Energy of Digraphs [Volume 12, Issue 3, 2021, Pages 139-159]
Resolvent energy Exponential Growth of Graph Resolvent [Volume 12, Issue 3, 2021, Pages 187-195]
Resolving partition Investigation of the Partition Dimension in Chemical Networks and its Application in Chemistry [Volume 15, Issue 2, 2024, Pages 51-63]
Reveres Wiener indices On the Edge Reverse Wiener Indices of TUC4C8(S) Nanotubes [Volume 3, Issue 1, 2012, Pages 55-65]
Reverse osmosis desalination system A Numerical Study of Fractional Order Reverse Osmosis Desalination Model using Legendre Wavelet Approximation [Volume 8, Issue 4, 2017, Pages 345-364]
Revised edge-Szeged index On the Revised Edge-Szeged Index of Graphs [Volume 10, Issue 4, 2019, Pages 279-293]
Revised Szeged index PI, Szeged and Revised Szeged Indices of IPR Fullerenes [Volume 2, Issue 2, 2011, Pages 87-99]
Rhombellane Rhombellanic Crystals and Quasicrystals [Volume 9, Issue 3, 2018, Pages 167-178]
Rhombellane Spongy Diamond [Volume 10, Issue 1, 2019, Pages 1-9]
Rhombellane Rhombellane-related Crystal Networks [Volume 11, Issue 2, 2020, Pages 73-81]
Ritz method Fractional-Order‎ ‎Pell Hybrid‎ ‎Functions for Solving Variable-Order Fractional Differential Equations and their Application in Chemistry [Volume 16, Issue 3, 2025, Pages 223-244]
RK4 method Numerical Modeling for Nonlinear Biochemical Reaction Networks [Volume 8, Issue 4, 2017, Pages 413-423]
RNA structure A Zero One Programming Model for RNA Structures with Arclength ≥ 4 [Volume 3, Issue 2, 2012, Pages 185-193]
Roberston problem The New High Approximation of Stiff Systems of First Order IVPs Arising from Chemical Reactions by k-step L-stable Hybrid Methods [Volume 10, Issue 2, 2019, Pages 181-193]
R-Spectrum Extremal Kragujevac Trees with Respect to Randic Energy [Volume 16, Issue 3, 2025, Pages 245-255]
RS-stereoisomeric group Type-Itemized Enumeration of RS-Stereoisomers of Octahedral Complexes [Volume 7, Issue 2, 2016, Pages 113-153]

S

Sachs theorem General Theory of Cycle-Dependence of Total pi-Electron Energy [Volume 9, Issue 1, 2018, Pages 9-16]
Sadhana index Use of Structure Codes (Counts) for Computing Topological Indices of Carbon Nanotubes: Sadhana (Sd) Index of Phenylenes and its Hexagonal Squeezes [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 91-94]
Sadhana polynomial A Survey on Omega Polynomial of Some Nano Structures [Volume 2, Issue 2, 2011, Pages 1-65]
Sadhana polynomial Computing Vertex PI, Omega and Sadhana Polynomials of F12(2n+1) Fullerenes [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 105-110]
Salicylate Using Electrochemical Impedance Spectroscopy of Salicylate Anion Selective Electrode: Simulation for Behavior of Electrode [Volume 4, Issue 1, 2013, Pages 41-57]
Saturated alcohols Novel Atom-Type-Based Topological Descriptors for Simultaneous Prediction of Gas Chromatographic Retention Indices of Saturated Alcohols on Different Stationary Phases [Volume 9, Issue 2, 2018, Pages 121-135]
Saturation number On the Saturation Number of Graphs [Volume 9, Issue 4, 2018, Pages 289-299]
Scanner Estimation of Pgment Magnitudes in Synthetic Leather by Using Scanner and Artificial Neural Network [Volume 5, Issue 2, 2014, Pages 119-125]
Schrodinger equation A New Two-step Obrechkoff Method with Vanished Phase-lag and Some of its Derivatives for the Numerical Solution of Radial Schrodinger Equation and Related IVPs with Oscillating Solutions [Volume 8, Issue 2, 2017, Pages 137-159]
Schultz index On the Distance Based Indices of H-phenylenic Nanotorus [Volume 6, Issue 1, 2015, Pages 29-39]
Schultz index Some Indices in the Random Spiro Chains [Volume 11, Issue 4, 2020, Pages 255-270]
Schultz index The Gutman Index and Schultz Index in the Random Phenylene Chains [Volume 12, Issue 2, 2021, Pages 67-78]
Schultz index The Schultz Index for Product Graphs [Volume 13, Issue 1, 2022, Pages 1-17]
Schultz polynomials Generalized Schultz and Gutman Indices [Volume 13, Issue 4, 2022, Pages 301-316]
Sd index Computation of the Sadhana (Sd) Index of Linear Phenylenes and Corresponding Hexagonal Sequences [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 79-90]
Second degrees Some Properties of the Leap Eccentric Connectivity Index of Graphs [Volume 11, Issue 4, 2020, Pages 227-237]
Second geometric-arithmetic index On Second Geometric-Arithmetic Index of Graphs [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 17-28]
Second geometric-arithmetic index On Third Geometric-Arithmetic Index of Graphs [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 29-36]
Second geometric-arithmetic index The Second Geometric-arithmetic Index for Trees and Unicyclic Graphs [Volume 9, Issue 4, 2018, Pages 279-287]
Second geometric-arithmetic index‎ New Results on Second Inverse Sum Indeg Index [Volume 17, Issue 2, 2026, Pages 113-128]
Second inverse sum indeg index New Results on Second Inverse Sum Indeg Index [Volume 17, Issue 2, 2026, Pages 113-128]
Second-order differential equations Robust Numerical Approach for Solving Robin Boundary Value Problems [Volume 17, Issue 1, 2026, Pages 77-94]
Semigraph On Color Matrix and Energy of Semigraphs [Volume 13, Issue 4, 2022, Pages 291-299]
Semigraphs On the Energy and Nullity of Non-Uniform Path and Cycle Semigraphs [Volume 17, Issue 1, 2026, Pages 53-75]
Sextet pattern The Clar Number of Fullerene C24n and Carbon Nanocone CNC4[n] [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 53-59]
Shelf life mathematical models Direct‎ ‎Mathematical‎ ‎Models‎ ‎for‎ ‎Estimating‎ ‎the‎ ‎Shelf‎ Life of Second‎- ‎and Zero-Order Degradation Relationships of Food and Drugs [Volume 14, Issue 3, 2023, Pages 161-169]
Side effects Correlating Side Effects and Properties of Analgesics with Distance‎- ‎and Degree-Based Topological Indices [Volume 16, Issue 3, 2025, Pages 181-198]
Sierpinski fractals Wiener Way to Dimensionality [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 5-15]
Sigma index QSPR Analysis with Curvilinear Regression Modeling and Topological Indices [Volume 10, Issue 4, 2019, Pages 331-341]
Signed graph Energy of Signed Spongy Hypercubes [Volume 10, Issue 1, 2019, Pages 45-55]
Signless Laplacian matrix On the Difference between Laplacian and Signless Laplacian Coefficients of a Graph and its Applications on the Fullerene Graphs [Volume 15, Issue 1, 2024, Pages 39-50]
Signless Laplacian tensor Non-uniform Hypergraphs [Volume 11, Issue 3, 2020, Pages 161-177]
Silicon carbide network On ‎Nirmala ‎Indices-based ‎Entropy Measures of ‎Silicon ‎Carbide Network [Volume 14, Issue 4, 2023, Pages 271-288]
Similarity reduction (SR) A Diffusion Equation with Exponential Nonlinearity Recant Developments [Volume 4, Issue 2, 2013, Pages 143-162]
Simple Graph Stirling Numbers and Generalized Zagreb Indices [Volume 8, Issue 1, 2017, Pages 1-5]
Simulation Using Electrochemical Impedance Spectroscopy of Salicylate Anion Selective Electrode: Simulation for Behavior of Electrode [Volume 4, Issue 1, 2013, Pages 41-57]
S-index Some Graph Operations and Titania Nanotubes in Reformulated Y-index and Reformulated S-index [Volume 14, Issue 2, 2023, Pages 65-76]
Singularities Infinite Product Representation of Solution of Indefinite SturmLIouville Problem [Volume 4, Issue 1, 2013, Pages 27-40]
Singularly P-stable methods A New Two-step Hybrid Singularly P-stable Method for the Numerical Solution of Second-order IVPs with Oscillating Solutions [Volume 11, Issue 2, 2020, Pages 113-132]
Sliding mode Dynamical Behavior and Synchronization of Chaotic Chemical Reactors Model [Volume 6, Issue 1, 2015, Pages 81-92]
SMF method Prediction of the Adsorption Capability onto Activated Carbon of Liquid Aliphatic Alcohols Using Molecular Fragments Method [Volume 5, Issue 2, 2014, Pages 127-142]
SMS2 inhibitor Prediction of IC50 Values of 2−benzyloxybenzamide Derivatives using Multiple Linear Regression and Artificial Neural Network Methods [Volume 11, Issue 3, 2020, Pages 179-199]
Solvent effect DFT Study of Kinetic and Thermodynamic Parameters of Tautomerism in 4−acyl Pyrazolone [Volume 4, Issue 2, 2013, Pages 185-199]
Solvent effect Investigations of Solvent Effect on Electrochemical and Electronically Properties of Some Quinone Drugs: A Computational Study [Volume 13, Issue 3, 2022, Pages 187-199]
Sombor energy Quantization of Sombor Energy for ‎Complete ‎Graphs with‎ ‎Self-Loops of‎ ‎Large Size [Volume 14, Issue 4, 2023, Pages 225-241]
Sombor index Sombor index of certain graphs [Volume 12, Issue 1, 2021, Pages 27-37]
Sombor index On Sombor Index and some Topological Indices [Volume 12, Issue 4, 2021, Pages 209-215]
Sombor index Extremal Cacti with respect to Sombor index [Volume 12, Issue 4, 2021, Pages 197-208]
Sombor index Another Approach to a Conjecture about the Exponential Reduced Sombor Index of Molecular Trees [Volume 13, Issue 2, 2022, Pages 99-108]
Sombor index QSPR Analysis of Some Novel Extension and Generalization of Sombor Index [Volume 13, Issue 1, 2022, Pages 73-84]
Sombor index Extremal Trees for Sombor Index with Given Degree Sequence [Volume 13, Issue 4, 2022, Pages 281-290]
Sombor index Entire Sombor Index of Graphs [Volume 14, Issue 1, 2023, Pages 33-45]
Sombor index Degree-Based Function Index of Graphs with Given Connectivity [Volume 14, Issue 3, 2023, Pages 183-194]
Sombor index Lower Bounds on the Entire Sombor Index [Volume 14, Issue 4, 2023, Pages 195-205]
Sombor index Improved Estimates of Sombor Index [Volume 15, Issue 1, 2024, Pages 1-5]
Sombor index Extremal Chemical Trees for a Modified Version of Sombor Index [Volume 15, Issue 4, 2024, Pages 259-268]
Sombor index Lower and Upper Bounds between Energy‎, ‎Laplacian Energy‎, ‎and Sombor Index of Some Graphs [Volume 16, Issue 1, 2025, Pages 33-38]
Sombor index Comment on “Lower and Upper Bounds between Energy‎, Laplacian Energy‎, ‎and Sombor Index of Some Graphs'' Iranian J‎. ‎Math‎. ‎Chem‎. ‎16 (2025) 33-38 [Volume 17, Issue 3, 2026, Pages 255-257]
Sombor spectrum Quantization of Sombor Energy for ‎Complete ‎Graphs with‎ ‎Self-Loops of‎ ‎Large Size [Volume 14, Issue 4, 2023, Pages 225-241]
Spanning tree Counting the Number of Spanning Trees of Graphs [Volume 4, Issue 1, 2013, Pages 111-121]
Spanning tree Multiplicative Zagreb Indices and Extremal Complexity of Line Graphs [Volume 15, Issue 1, 2024, Pages 7-16]
Spanning tree‎ The Laplacian Spectrum of the Generalized $n$-Prism Networks [Volume 15, Issue 2, 2024, Pages 65-78]
Spectral collocation method Explicit Chebyshev Collocation Method for Multi-Order Fractional‎ ‎Nonlinear‎ ‎Boundary‎ ‎Value‎ ‎Problems‎ ‎in Mathematical Chemistry [Volume 16, Issue 4, 2025, Pages 257-273]
Spectral dimension Fractal-Like Kinetics Study of Adsorption on Multi-walled Carbon Nanotube [Volume 9, Issue 1, 2018, Pages 25-35]
Spectral method The Effect of Fractional-Order Derivative for Pattern Formation‎ ‎of Brusselator‎ ‎Reaction–Diffusion Model Occurring in Chemical Reactions [Volume 14, Issue 4, 2023, Pages 243-269]
Spectral method Retrieving‎ ‎the‎ ‎Transient‎ ‎Temperature‎ ‎Field and Blood Perfusion‎ ‎Coefficient‎ ‎in‎ ‎the‎ ‎Pennes‎ ‎Bioheat‎ ‎Equation Subject to Nonlocal and Convective Boundary Conditions [Volume 15, Issue 2, 2024, Pages 91-105]
Spectral moments Some Lower Bounds for Estrada Index [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 67-72]
Spectral radius A Note on the Bounds of Laplacian-energy-like-invariant [Volume 9, Issue 2, 2018, Pages 137-147]
Spectral radius On the Characteristic Polynomial and Spectrum of the Terminal Distance Matrix of Kragujevac Trees [Volume 12, Issue 2, 2021, Pages 89-99]
Spectrofluorimetric analysis Photoluminescence Quantitative Analysis of Gallic Acid and Caffeine in Green Tea Using Multi-way Chemometric Approaches [Volume 6, Issue 2, 2015, Pages 109-119]
Spectrum (of graph) Altan Derivatives of a Graph [Volume 5, Issue 2, 2014, Pages 85-90]
Spectrum (of graph) Open Problems for Equienergetic Graphs [Volume 6, Issue 2, 2015, Pages 185-187]
Spectrum (of graph) Borderenergetic Graphs of Order 12 [Volume 8, Issue 4, 2017, Pages 339-344]
Sphericity Half-Century Journey from Synthetic Organic Chemistry to Mathematical Stereochemistry through Chemoinformatics [Volume 7, Issue 2, 2016, Pages 155-221]
Spin–orbit effect Compared‎ ‎Two Models‎ ‎for Shifted the Gap Energy in Acenes; Quantum Perturbation Theory and Topological Indices [Volume 15, Issue 3, 2024, Pages 189-201]
Spiro chain Some Indices in the Random Spiro Chains [Volume 11, Issue 4, 2020, Pages 255-270]
Splice On Multiplicative Zagreb Indices of Graphs [Volume 3, Issue 2, 2012, Pages 145-154]
Splice A Note on Vertex-Edge Wiener Indices of Graphs [Volume 7, Issue 1, 2016, Pages 11-17]
Splice Splice Graphs and their Vertex-Degree-Based Invariants [Volume 8, Issue 1, 2017, Pages 61-70]
Stability On the Stability of Fullerenes [Volume 10, Issue 1, 2019, Pages 57-69]
Stability Stochastic Stability and Bifurcation for the Selkov Model with Noise [Volume 12, Issue 1, 2021, Pages 39-55]
Stable limit cycle Emergence of Periodic Wave Solutions in a Diffusive Four-Component Brusselator Model [Volume 16, Issue 4, 2025, Pages 275-289]
Standard Enthalpy of Formation Predeiction of ∆H0f(gas) ,∆H0f(Liq) of Amines Derivatives Using Chemometrics (A Quantitative Structure-Property Relationship Study) [Volume 10, Issue 2, 2019, Pages 161-179]
Star graph On Topological Properties of the n-Star Graph [Volume 11, Issue 1, 2020, Pages 11-16]
Star–like graph On Second Atom-Bond Connectivity Index [Volume 4, Issue 2, 2013, Pages 265-270]
Status of a vertex QSPR Analysis of Some Novel Extension and Generalization of Sombor Index [Volume 13, Issue 1, 2022, Pages 73-84]
Stefan problem Numerical Study of One-Phase Stefan-Type Problems [Volume 16, Issue 2, 2025, Pages 127-139]
Steiner distance Three-center Harary Index and its Applications [Volume 7, Issue 1, 2016, Pages 61-68]
Steiner distance Nordhaus-Gaddum Type Results for the Harary Index of Graphs [Volume 8, Issue 2, 2017, Pages 181-198]
Steiner distance Steiner Wiener Index of Complete m-Ary Trees [Volume 12, Issue 2, 2021, Pages 101-109]
Steiner distance Steiner k-Eccentric Connectivity Index‎: a Novel Steiner Distance-Based Index [Volume 15, Issue 3, 2024, Pages 175-187]
Steiner k-eccentric connectivity index Steiner k-Eccentric Connectivity Index‎: a Novel Steiner Distance-Based Index [Volume 15, Issue 3, 2024, Pages 175-187]
Steiner Wiener index Steiner Wiener Index of Complete m-Ary Trees [Volume 12, Issue 2, 2021, Pages 101-109]
Stereochemistry Half-Century Journey from Synthetic Organic Chemistry to Mathematical Stereochemistry through Chemoinformatics [Volume 7, Issue 2, 2016, Pages 155-221]
Stereoisogram Type-Itemized Enumeration of RS-Stereoisomers of Octahedral Complexes [Volume 7, Issue 2, 2016, Pages 113-153]
Stereoisogram Half-Century Journey from Synthetic Organic Chemistry to Mathematical Stereochemistry through Chemoinformatics [Volume 7, Issue 2, 2016, Pages 155-221]
Stiff initial value problems The New High Approximation of Stiff Systems of First Order IVPs Arising from Chemical Reactions by k-step L-stable Hybrid Methods [Volume 10, Issue 2, 2019, Pages 181-193]
Stirling number Stirling Numbers and Generalized Zagreb Indices [Volume 8, Issue 1, 2017, Pages 1-5]
Stochastic partial differential equations On the Numerical Solution of Widely Used 2D Stochastic Partial‎ ‎Differential‎ ‎Equation in Representing‎ ‎Reaction-Diffusion Processes [Volume 16, Issue 1, 2025, Pages 13-31]
Stochastic Selkov model Stochastic Stability and Bifurcation for the Selkov Model with Noise [Volume 12, Issue 1, 2021, Pages 39-55]
Storage prediction Direct‎ ‎Mathematical‎ ‎Models‎ ‎for‎ ‎Estimating‎ ‎the‎ ‎Shelf‎ Life of Second‎- ‎and Zero-Order Degradation Relationships of Food and Drugs [Volume 14, Issue 3, 2023, Pages 161-169]
St{\"o}rmer methods A‎ ‎Family‎ ‎of‎ ‎Amplified‎ ‎$3$-Step‎ ‎St{"o}rmer‎ ‎Methods‎ ‎for Solving the Schr{"o}dinger Equation and its Related Problems [Volume 16, Issue 4, 2025, Pages 313-336]
Strada index The Minimum Estrada Index of Spiro Compounds with k Quadrangles [Volume 10, Issue 3, 2019, Pages 241-249]
Strongly distance-balanced graph Note on Properties of First Zagreb Index of Graphs [Volume 3, Supplement 1, 2012, Pages 1-5]
Strongly triangular graph Distance-based Topological Indices of Tensor Product of Graphs [Volume 3, Issue 1, 2012, Pages 45-53]
Structural codes Use of Structure Codes (Counts) for Computing Topological Indices of Carbon Nanotubes: Sadhana (Sd) Index of Phenylenes and its Hexagonal Squeezes [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 91-94]
Structural counts phenylene Use of Structure Codes (Counts) for Computing Topological Indices of Carbon Nanotubes: Sadhana (Sd) Index of Phenylenes and its Hexagonal Squeezes [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 91-94]
Sturm-Liouville problem Infinite Product Representation of Solution of Indefinite SturmLIouville Problem [Volume 4, Issue 1, 2013, Pages 27-40]
Sum-connectivity index On Sombor Index and some Topological Indices [Volume 12, Issue 4, 2021, Pages 209-215]
Super saturation Controlled Synthesis Of One Dimensional Zinc Oxide Nanostructures in terms of Modelling [Volume 12, Issue 3, 2021, Pages 175-185]
Support Vector Machine Feature Selection and Classification of Microarray Gene Expression Data of Ovarian Carcinoma Patients using Weighted Voting Support Vector Machine [Volume 4, Issue 2, 2013, Pages 163-175]
Symmetric division deg index Upper and Lower Bounds of Symmetric Division Deg Index [Volume 5, Issue 2, 2014, Pages 91-98]
Symmetric division deg index Bounds of the Symmetric Division Deg Index for Trees and Unicyclic Graphs with a Perfect Matching [Volume 11, Issue 3, 2020, Pages 141-159]
Symmetric Division Degree Index Study of Bounds and Extremal Graphs of Symmetric Division Degree Index for Bicyclic Graphs with Perfect Matching [Volume 13, Issue 2, 2022, Pages 145-165]
Symmetric division eccentric index The Symmetric Division Eccentric Index of Two Infinite Classes of Fullerenes [Volume 16, Issue 4, 2025, Pages 355-372]
Symmetric multistep methods Trigonometrically Fitted Two-step Obrechkoff Methods for the Numerical Solution of Periodic Initial Value Problems [Volume 6, Issue 2, 2015, Pages 145-161]
Symmetric multistep methods A New Two-step Obrechkoff Method with Vanished Phase-lag and Some of its Derivatives for the Numerical Solution of Radial Schrodinger Equation and Related IVPs with Oscillating Solutions [Volume 8, Issue 2, 2017, Pages 137-159]
Symmetric multistep methods A New Explicit Singularly P-Stable Four-Step Method for the Numerical Solution of Second Order IVPs [Volume 11, Issue 1, 2020, Pages 17-31]
Symmetry elements The‎ ‎Man‎ ‎Who‎ ‎Knew‎ ‎Symmetry‎: ‎A‎ ‎Tribute‎ ‎to Ali Reza Ashrafi [Volume 15, Issue 4, 2024, Pages 297-317]
Synchronization Dynamical Behavior and Synchronization of Chaotic Chemical Reactors Model [Volume 6, Issue 1, 2015, Pages 81-92]
Synthetic leather Estimation of Pgment Magnitudes in Synthetic Leather by Using Scanner and Artificial Neural Network [Volume 5, Issue 2, 2014, Pages 119-125]
Szeged index Some Topological Indices of Nanostar Dendrimers [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 57-65]
Szeged index Some Topological Indices of Tetrameric 1,3-Adamantane [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 111-118]
Szeged index PI, Szeged and Revised Szeged Indices of IPR Fullerenes [Volume 2, Issue 2, 2011, Pages 87-99]
Szeged index Computing the Szeged Index of 4,4 ׳-Bipyridinium Dendrimer [Volume 3, Issue 1, 2012, Pages 67-72]
Szeged index Automatic Graph Construction of Periodic Open Tubulene ((5,6,7)3) and Computation of its Wiener, PI, and Szeged Indices [Volume 3, Issue 1, 2012, Pages 81-94]
Szeged index Wiener, Szeged and Vertex PI Indices of Regular Tessellations [Volume 3, Issue 2, 2012, Pages 165-183]
Szeged index Relation Between Wiener, Szeged and Detour Indices [Volume 5, Supplement 1, 2014, Pages 45-51]
Szeged index‎ Computing Szeged Index of Graphs on Triples [Volume 8, Issue 2, 2017, Pages 175-180]
Szeged topological index New Results on Second Inverse Sum Indeg Index [Volume 17, Issue 2, 2026, Pages 113-128]

T

Tautomer DFT Study of Kinetic and Thermodynamic Parameters of Tautomerism in 4−acyl Pyrazolone [Volume 4, Issue 2, 2013, Pages 185-199]
Tent map Kato's chaos and P-chaos of a coupled lattice system given by Garcia Guirao and Lampart which is related with Belusov-Zhabotinskii reaction [Volume 11, Issue 1, 2020, Pages 1-9]
Tent map Turbulence, Erratic Property and Horseshoes in a Coupled Lattice System related with Belusov−Zhabotinsky Reaction [Volume 11, Issue 3, 2020, Pages 133-140]
Terminal distance matrix On the Characteristic Polynomial and Spectrum of the Terminal Distance Matrix of Kragujevac Trees [Volume 12, Issue 2, 2021, Pages 89-99]
Ternary tree Computation of Topological Indices of Binary and Ternary Trees using Algorithmic Approach [Volume 15, Issue 2, 2024, Pages 107-115]
Tetracyclic graphs Graphs with Smallest Forgotten Index [Volume 8, Issue 3, 2017, Pages 259-273]
Tetrameric 1 Some Topological Indices of Tetrameric 1,3-Adamantane [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 111-118]
The first and second Zagreb indices Note on Properties of First Zagreb Index of Graphs [Volume 3, Supplement 1, 2012, Pages 1-5]
The first geometric-arithmetic index The First Geometric–Arithmetic Index of Some Nanostar Dendrimers [Volume 5, Supplement 1, 2014, Pages 1-6]
The order and type of entire function Exponential Growth of Graph Resolvent [Volume 12, Issue 3, 2021, Pages 187-195]
Thermodynamic equilibrium On Selected Properties of the Gibbs Function Topological Manifold [Volume 13, Issue 4, 2022, Pages 253-280]
Third geometric-arithmetic index On Second Geometric-Arithmetic Index of Graphs [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 17-28]
Third geometric-arithmetic index On Third Geometric-Arithmetic Index of Graphs [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 29-36]
Thorn graph On the Spectra of Reduced Distance Matrix of Thorn Graphs [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 81-87]
Three-way chemometric methods Photoluminescence Quantitative Analysis of Gallic Acid and Caffeine in Green Tea Using Multi-way Chemometric Approaches [Volume 6, Issue 2, 2015, Pages 109-119]
Time-fractional convection diffusion equations Pell Wavelet Optimization Method for Solving Time‎-Fractional Convection Diffusion Equations Arising in Science and Medicine [Volume 15, Issue 4, 2024, Pages 239-258]
Time-fractional KdV-Burgers' equation Shifted Second-Kind Chebyshev Spectral Collocation-Based Technique‎ for Time-Fractional KdV-Burgers' Equation [Volume 14, Issue 4, 2023, Pages 207-224]
Time-space fractional Schrödinger equation The Matrix Transformation Technique for the Time‎- ‎Space Fractional Linear Schrödinger Equation [Volume 15, Issue 3, 2024, Pages 137-154]
Topological compression factors Topological Compression Factors of 2-Dimensional TUC4C8(R) Lattices and Tori [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 73-80]
Topological entropy Topological Entropy‎, ‎Distributional Chaos and the Principal‎‎ Measure of a Class of Belusov−Zhabotinskii's Reaction Models Presented by García Guirao and Lampart ‎ [Volume 12, Issue 1, 2021, Pages 57-65]
Topological index‎ New Results on Second Inverse Sum Indeg Index [Volume 17, Issue 2, 2026, Pages 113-128]
Topological indices Comparison of Topological Indices Based on Iterated ‘Sum’ versus ‘Product’ Operations [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 43-67]
Topological indices Computing PI and Hyper–Wiener Indices of Corona Product of some Graphs [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 131-135]
Topological indices Note on Properties of First Zagreb Index of Graphs [Volume 3, Supplement 1, 2012, Pages 1-5]
Topological indices Relationship Between Topological Indices and Thermodynamic Properties and of the Monocarboxylic Acids Applications in QSPR [Volume 6, Issue 1, 2015, Pages 15-28]
Topological indices QSPR Study on Benzene Derivatives to Some Physico-Chemical Properties by Using Topological Indices [Volume 7, Issue 1, 2016, Pages 93-110]
Topological indices QSPR Modeling of Heat Capacity, Thermal Energy and Entropy of Aliphatic Aldehydes by using Topological Indices and MLR Method [Volume 7, Issue 2, 2016, Pages 235-251]
Topological indices Computation of Topological Indices of Binary and Ternary Trees using Algorithmic Approach [Volume 15, Issue 2, 2024, Pages 107-115]
Topological indices Neighborhood‎ ‎M-Polynomial of‎ ‎Graph‎ ‎Operations: Exploring Nanostructure Applications and Correcting Cycle-Related Graph Results [Volume 15, Issue 3, 2024, Pages 155-174]
Topological indices Compared‎ ‎Two Models‎ ‎for Shifted the Gap Energy in Acenes; Quantum Perturbation Theory and Topological Indices [Volume 15, Issue 3, 2024, Pages 189-201]
Topological indices On Relations between Atom-Bond Sum-Connectivity Index and other Degree-Based Indices [Volume 15, Issue 4, 2024, Pages 283-295]
Topological indices Geometric-Quadratic Index from a Mathematical Perspective [Volume 16, Issue 2, 2025, Pages 85-92]
Topological indices Correlating Side Effects and Properties of Analgesics with Distance‎- ‎and Degree-Based Topological Indices [Volume 16, Issue 3, 2025, Pages 181-198]
Topology Rhombellanic Crystals and Quasicrystals [Volume 9, Issue 3, 2018, Pages 167-178]
Total eccentricity index Eccentric and Total Eccentric Connectivity Indices of Caterpillars [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 39-44]
Total irregularity index The Maximal Total Irregularity of Some Connected Graphs [Volume 6, Issue 2, 2015, Pages 121-128]
Total pi-electron energy General Theory of Cycle-Dependence of Total pi-Electron Energy [Volume 9, Issue 1, 2018, Pages 9-16]
Total structure connectivity index On Extremal Values Of Total Structure Connectivity and Narumi-Katayama Indices on the Class of all Unicyclic and Bicyclic Graphs [Volume 14, Issue 3, 2023, Pages 171-181]
Tree‎ Another Approach to a Conjecture about the Exponential Reduced Sombor Index of Molecular Trees [Volume 13, Issue 2, 2022, Pages 99-108]
Trees The Maximal Total Irregularity of Some Connected Graphs [Volume 6, Issue 2, 2015, Pages 121-128]
Trees The Second Geometric-arithmetic Index for Trees and Unicyclic Graphs [Volume 9, Issue 4, 2018, Pages 279-287]
Trees On the Trees with Given Matching Number and the Modified First Zagreb Connection Index [Volume 12, Issue 3, 2021, Pages 127-138]
Trees Maximum Variable Connectivity Index of n-Vertex Trees [Volume 13, Issue 1, 2022, Pages 33-44]
Trees A Study of Vertex-Degree Function Indices via Branching Operations on Trees [Volume 16, Issue 1, 2025, Pages 1-12]
Trees On Some Extremal Results and Bounds of Additively Weighted Edge Mostar Index [Volume 16, Issue 1, 2025, Pages 51-64]
Triangle-free graphs Relations between Sombor Index and some Degree-Based Topological Indices [Volume 12, Issue 1, 2021, Pages 19-26]
Triangular benzene networks Investigation of the Partition Dimension in Chemical Networks and its Application in Chemistry [Volume 15, Issue 2, 2024, Pages 51-63]
Tricyclic Graph Ordering Tricyclic Connected Graphs Having Minimum Degree Distance [Volume 16, Issue 3, 2025, Pages 199-205]
Tricyclic graphs Graphs with Smallest Forgotten Index [Volume 8, Issue 3, 2017, Pages 259-273]
Trigonometrically-fitting Trigonometrically Fitted Two-step Obrechkoff Methods for the Numerical Solution of Periodic Initial Value Problems [Volume 6, Issue 2, 2015, Pages 145-161]
Troesch’s problem A New Family of High-order Difference Schemes for the Solution of Second Order Boundary Value Problems [Volume 9, Issue 3, 2018, Pages 187-199]
TUC4C8 (R )Nanotube Computation of Co-PI Index of TUC4C8(R) Nanotubes [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 119-123]
Tumor classification Feature Selection and Classification of Microarray Gene Expression Data of Ovarian Carcinoma Patients using Weighted Voting Support Vector Machine [Volume 4, Issue 2, 2013, Pages 163-175]
Turbulence Turbulence, Erratic Property and Horseshoes in a Coupled Lattice System related with Belusov−Zhabotinsky Reaction [Volume 11, Issue 3, 2020, Pages 133-140]
Turning Points Infinite Product Representation of Solution of Indefinite SturmLIouville Problem [Volume 4, Issue 1, 2013, Pages 27-40]
Tutte polynomial On the Tutte Polynomial of Benzenoid Chains [Volume 3, Issue 2, 2012, Pages 113-119]
Tutte polynomial Computing Chemical Properties of Molecules by Graphs and Rank Polynomials [Volume 3, Supplement 1, 2012, Pages 59-65]

V

Variable connectivity index Maximum Variable Connectivity Index of n-Vertex Trees [Volume 13, Issue 1, 2022, Pages 33-44]
Variable-order fractional differential equation Fractional-Order‎ ‎Pell Hybrid‎ ‎Functions for Solving Variable-Order Fractional Differential Equations and their Application in Chemistry [Volume 16, Issue 3, 2025, Pages 223-244]
Variable Randić index Maximum Variable Connectivity Index of n-Vertex Trees [Volume 13, Issue 1, 2022, Pages 33-44]
Variance of degree index QSPR Analysis with Curvilinear Regression Modeling and Topological Indices [Volume 10, Issue 4, 2019, Pages 331-341]
Variational iteration method Solving Time-fractional Chemical Engineering Equations by Modified Variational Iteration Method as Fixed Point Iteration Method [Volume 8, Issue 4, 2017, Pages 365-375]
Vertex centrality A Fast Approach to the Detection of All-Purpose Hubs in Complex Networks with Chemical Applications [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 81-96]
Vertex-degree-based indices On Discriminativity of Vertex-degree-based Indices [Volume 3, Issue 2, 2012, Pages 95-101]
Vertex-degree-based topological indices VDB-Hosoya Index of Hexagonal Chains [Volume 16, Issue 4, 2025, Pages 337-353]
Vertex-degree function index A Study of Vertex-Degree Function Indices via Branching Operations on Trees [Volume 16, Issue 1, 2025, Pages 1-12]
Vertex-edge Wiener index A Note on Vertex-Edge Wiener Indices of Graphs [Volume 7, Issue 1, 2016, Pages 11-17]
Vertex-PI index Computation of Co-PI Index of TUC4C8(R) Nanotubes [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 119-123]
Vertex PI polynomial Computing Vertex PI, Omega and Sadhana Polynomials of F12(2n+1) Fullerenes [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 105-110]
Vertex transitive graph On Topological Properties of the n-Star Graph [Volume 11, Issue 1, 2020, Pages 11-16]
Vertex- transitive graphs Reciprocal Degree Distance of Grassmann Graphs [Volume 4, Issue 2, 2013, Pages 249-255]
Violation of Le Chatelier The Conditions of the Violations of Le Chatlier’s Principle in Gas Reactions at Constant T and P [Volume 8, Issue 1, 2017, Pages 47-52]
V–phenylenic nanotube Two Types of Geometric–Arithmetic Index of V–phenylenic Nanotube [Volume 2, Issue 2, 2011, Pages 109-117]

W

Weak algebraic hyperstructure Weak Algebraic Hyperstructures as a Model for Interpretation of Chemical Reactions [Volume 7, Issue 2, 2016, Pages 267-283]
Weighted graph On Symmetry of Some Nano Structures [Volume 3, Supplement 1, 2012, Pages 29-36]
Weighted graph Computing the Mostar Index in Networks with Applications to Molecular Graphs [Volume 12, Issue 1, 2021, Pages 1-18]
Weighted line graph A Novel Molecular Descriptor Derived from Weighted Line Graph [Volume 10, Issue 3, 2019, Pages 195-207]
Weighted voting algorithm Feature Selection and Classification of Microarray Gene Expression Data of Ovarian Carcinoma Patients using Weighted Voting Support Vector Machine [Volume 4, Issue 2, 2013, Pages 163-175]
Wiener dimensionality Wiener Way to Dimensionality [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 5-15]
Wiener index Computing PI and Hyper–Wiener Indices of Corona Product of some Graphs [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 131-135]
Wiener index Some New Results On the Hosoya Polynomial of Graph Operations [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 37-43]
Wiener index Some Topological Indices of Nanostar Dendrimers [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 57-65]
Wiener index Topological Compression Factors of 2-Dimensional TUC4C8(R) Lattices and Tori [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 73-80]
Wiener index Energy and Wiener Index of Zero-Divisor Graphs [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 45-51]
Wiener index Further Results on Wiener Polarity Index of Graphs [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 67-70]
Wiener index Hosoya Polynomial of an Infinite Family of Dendrimer Nanostar [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 71-79]
Wiener index Distance Property of Fullerenes [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 99-107]
Wiener index Wiener Index of a New Type of Nanostar Dendrimer [Volume 2, Issue 2, 2011, Pages 79-85]
Wiener index Automatic Graph Construction of Periodic Open Tubulene ((5,6,7)3) and Computation of its Wiener, PI, and Szeged Indices [Volume 3, Issue 1, 2012, Pages 81-94]
Wiener index Computing Wiener and Hyper–Wiener Indices of Unitary Cayley Graphs [Volume 3, Issue 2, 2012, Pages 121-125]
Wiener index Wiener, Szeged and Vertex PI Indices of Regular Tessellations [Volume 3, Issue 2, 2012, Pages 165-183]
Wiener index Wiener Numbers of Random Pentagonal Chains [Volume 4, Issue 1, 2013, Pages 59-76]
Wiener index On Terminal Wiener Indices of Kenograms and Plerograms [Volume 4, Issue 1, 2013, Pages 77-89]
Wiener index The Generalized Wiener Polarity Index of some Graph Operations [Volume 4, Issue 2, 2013, Pages 177-183]
Wiener index Wiener Index of Graphs in Terms of Eccentricities [Volume 4, Issue 2, 2013, Pages 239-248]
Wiener index Relation Between Wiener, Szeged and Detour Indices [Volume 5, Supplement 1, 2014, Pages 45-51]
Wiener index On the Distance Based Indices of H-phenylenic Nanotorus [Volume 6, Issue 1, 2015, Pages 29-39]
Wiener index The Reliability Wiener Number of Cartesian Product Graphs [Volume 6, Issue 2, 2015, Pages 129-135]
Wiener index Hosoya Polynomials of Random Benzenoid Chains [Volume 7, Issue 1, 2016, Pages 29-38]
Wiener index The Topological Indices of some Dendrimer Graphs [Volume 8, Issue 1, 2017, Pages 25-35]
Wiener index Distance-Based Topological Indices and Double graph [Volume 8, Issue 1, 2017, Pages 83-91]
Wiener index Trees with the Greatest Wiener and Edge-Wiener Index [Volume 10, Issue 2, 2019, Pages 151-159]
Wiener index Some Topological Indices of Edge Corona of Two Graphs [Volume 10, Issue 3, 2019, Pages 209-222]
Wiener index Topological Efficiency of Some Product Graphs [Volume 10, Issue 3, 2019, Pages 269-278]
Wiener index On Topological Properties of the n-Star Graph [Volume 11, Issue 1, 2020, Pages 11-16]
Wiener index Extremal polygonal cacti for Wiener index and Kirchhoff index [Volume 11, Issue 3, 2020, Pages 201-211]
Wiener index Steiner Wiener Index of Complete m-Ary Trees [Volume 12, Issue 2, 2021, Pages 101-109]
Wiener index Topological Indices of a Kind of Altans [Volume 12, Issue 4, 2021, Pages 217-224]
Wiener index Topological Indices of Certain Graphs [Volume 13, Issue 3, 2022, Pages 167-174]
Wiener index W Comparison of Topological Indices Based on Iterated ‘Sum’ versus ‘Product’ Operations [Volume 1, Issue 1 (Special Issue on the Role of PI Index in Nanotechnology), 2010, Pages 43-67]
Wiener number The Reliability Wiener Number of Cartesian Product Graphs [Volume 6, Issue 2, 2015, Pages 129-135]
Wiener polarity index Further Results on Wiener Polarity Index of Graphs [Volume 2, Issue 1 (Special Issue on the Occasion of Mircea V. Diudea's Sixtieth Birthday), 2011, Pages 67-70]
Wiener polynomial Some New Results On the Hosoya Polynomial of Graph Operations [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 37-43]
Wiener type invariant Distance-based Topological Indices of Tensor Product of Graphs [Volume 3, Issue 1, 2012, Pages 45-53]

Z

Zagreb coindex Chemical Trees with Extreme Values of Zagreb Indices and Coindices [Volume 5, Issue 1, 2014, Pages 19-29]
Zagreb connection indices On the Modified First Zagreb Connection Index of Trees of a Fixed Order and Number of Branching Vertices [Volume 11, Issue 4, 2020, Pages 213-226]
Zagreb index Some Topological Indices of Nanostar Dendrimers [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 57-65]
Zagreb index Some Topological Indices of Tetrameric 1,3-Adamantane [Volume 1, Issue 2 (Special Issue Dedicated to the Pioneering Role of Ivan Gutman In Mathematical Chemistry), 2010, Pages 111-118]
Zagreb index Computing the First and Third Zagreb Polynomials of Cartesian Product of Graphs [Volume 2, Issue 2, 2011, Pages 73-78]
Zagreb index On Discriminativity of Zagreb Indices [Volume 3, Issue 1, 2012, Pages 25-34]
Zagreb index Chemical Trees with Extreme Values of Zagreb Indices and Coindices [Volume 5, Issue 1, 2014, Pages 19-29]
Zagreb index Some Topological Indices of Graphs and some Inequalities [Volume 3, Issue 1, 2012, Pages 73-80]
Zagreb index On Discriminativity of Vertex-degree-based Indices [Volume 3, Issue 2, 2012, Pages 95-101]
Zagreb index The Hyper-Zagreb Index of Graph Operations [Volume 4, Issue 2, 2013, Pages 213-220]
Zagreb index M-polynomial and Degree-based Topological Indices [Volume 6, Issue 2, 2015, Pages 93-102]
Zagreb index A Note on Hyper-Zagreb Index of Graph Operations [Volume 7, Issue 1, 2016, Pages 89-92]
Zagreb index Stirling Numbers and Generalized Zagreb Indices [Volume 8, Issue 1, 2017, Pages 1-5]
Zagreb index On the Difference of Atom-Bond Connectivity Index and Randić Index with Some Topological Indices [Volume 13, Issue 1, 2022, Pages 19-32]
Zagreb index Resolving Topological Indices of Graphs [Volume 13, Issue 3, 2022, Pages 201-226]
Zagreb index Improved Estimates of Sombor Index [Volume 15, Issue 1, 2024, Pages 1-5]
Zagreb index‎ A Note on the Additively Weighted Mostar Index of Graphs [Volume 16, Issue 2, 2025, Pages 155-170]
Zagreb indices Note on Multiple Zagreb Indices [Volume 3, Issue 2, 2012, Pages 137-143]
Zagreb indices Degree Distance Index of the Mycielskian and its Complement [Volume 7, Issue 1, 2016, Pages 1-9]
Zagreb indices On the Forgotten Topological Index [Volume 8, Issue 3, 2017, Pages 327-338]
Zagreb indices On the Eigenvalues of some Matrices based on Vertex Degree [Volume 9, Issue 2, 2018, Pages 149-156]
Zagreb indices Some Topological Indices of Edge Corona of Two Graphs [Volume 10, Issue 3, 2019, Pages 209-222]
Zagreb indices Relations between Sombor Index and some Degree-Based Topological Indices [Volume 12, Issue 1, 2021, Pages 19-26]
Zagreb indices On Sombor Index and some Topological Indices [Volume 12, Issue 4, 2021, Pages 209-215]
Zagreb indices Expected Value of Zagreb Indices of Random Bipartite Graphs [Volume 15, Issue 1, 2024, Pages 27-37]
Zagreb polynomial Computing the First and Third Zagreb Polynomials of Cartesian Product of Graphs [Volume 2, Issue 2, 2011, Pages 73-78]
Zero-one linear programming problem A Zero One Programming Model for RNA Structures with Arclength ≥ 4 [Volume 3, Issue 2, 2012, Pages 185-193]
Zeroth-order general Randi'{c} index A Note on the Zeroth-order General Randić Index of Cacti and Polyomino Chains [Volume 5, Issue 2, 2014, Pages 143-152]

Iranian Journal of Mathematical Chemistry

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