Benzenoid systemsComputing the Hosoya and the Merrifield-Simmons Indices of Two Special Benzenoid Systems [Volume 12, Issue 3, 2021, Pages 161-174]
BifurcationStochastic Stability and Bifurcation for the Selkov Model with Noise [Volume 12, Issue 1, 2021, Pages 39-55]
Binary treesSteiner Wiener Index of Complete m-Ary Trees [Volume 12, Issue 2, 2021, Pages 101-109]
C
CactusExtremal Cacti with respect to Sombor index [Volume 12, Issue 4, 2021, Pages 197-208]
Chaos in the sense of Li-YorkeTopological 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 polynomialOn the Characteristic Polynomial and Spectrum of the Terminal Distance Matrix of Kragujevac Trees [Volume 12, Issue 2, 2021, Pages 89-99]
Complete m-ary treesSteiner Wiener Index of Complete m-Ary Trees [Volume 12, Issue 2, 2021, Pages 101-109]
Coupled Lane–Emden equationsThe 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 latticeTopological 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]
D
DigraphsA new notion of energy of digraphs [Volume 12, Issue 2, 2021, Pages 111-125]
Distributional chaosTopological 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]
DynamicsStochastic Stability and Bifurcation for the Selkov Model with Noise [Volume 12, Issue 1, 2021, Pages 39-55]
E
EigenvalueResolvent Energy of Digraphs [Volume 12, Issue 3, 2021, Pages 139-159]
EnergyA new notion of energy of digraphs [Volume 12, Issue 2, 2021, Pages 111-125]
Expected valueThe Gutman Index and Schultz Index in the Random Phenylene Chains [Volume 12, Issue 2, 2021, Pages 67-78]
Extremal valueExtremal Cacti with respect to Sombor index [Volume 12, Issue 4, 2021, Pages 197-208]
F
First Zagreb indexUpper and Lower Bounds for the First and Second Zagreb Indices of Quasi Bicyclic Graphs [Volume 12, Issue 2, 2021, Pages 79-88]
G
GraphSombor index of certain graphs [Volume 12, Issue 1, 2021, Pages 27-37]
Gutman IndexThe Gutman Index and Schultz Index in the Random Phenylene Chains [Volume 12, Issue 2, 2021, Pages 67-78]
H
Harmonic indexOn Sombor Index and some Topological Indices [Volume 12, Issue 4, 2021, Pages 209-215]
Hosoya IndexComputing the Hosoya and the Merrifield-Simmons Indices of Two Special Benzenoid Systems [Volume 12, Issue 3, 2021, Pages 161-174]
I
Iota energyA new notion of energy of digraphs [Volume 12, Issue 2, 2021, Pages 111-125]
K
Kragujevac treesOn the Characteristic Polynomial and Spectrum of the Terminal Distance Matrix of Kragujevac Trees [Volume 12, Issue 2, 2021, Pages 89-99]
M
Merrifield-Simmons indexComputing the Hosoya and the Merrifield-Simmons Indices of Two Special Benzenoid Systems [Volume 12, Issue 3, 2021, Pages 161-174]
Mostar indexComputing the Mostar Index in Networks with Applications to Molecular Graphs [Volume 12, Issue 1, 2021, Pages 1-18]
P
Principal measureTopological 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]
R
Randi{'c} indexThe Randic Index of Trees with given Total Domination Number [Volume 12, Issue 4, 2021, Pages 225-237]
Randić indexRelations between Sombor Index and some Degree-Based Topological Indices [Volume 12, Issue 1, 2021, Pages 19-26]
Resolvent energyResolvent Energy of Digraphs [Volume 12, Issue 3, 2021, Pages 139-159]
Schultz indexThe Gutman Index and Schultz Index in the Random Phenylene Chains [Volume 12, Issue 2, 2021, Pages 67-78]
Sombor indexSombor index of certain graphs [Volume 12, Issue 1, 2021, Pages 27-37]
Sombor indexOn Sombor Index and some Topological Indices [Volume 12, Issue 4, 2021, Pages 209-215]
Sombor indexExtremal Cacti with respect to Sombor index [Volume 12, Issue 4, 2021, Pages 197-208]
Spectral radiusOn the Characteristic Polynomial and Spectrum of the Terminal Distance Matrix of Kragujevac Trees [Volume 12, Issue 2, 2021, Pages 89-99]
StabilityStochastic Stability and Bifurcation for the Selkov Model with Noise [Volume 12, Issue 1, 2021, Pages 39-55]
Steiner distanceSteiner Wiener Index of Complete m-Ary Trees [Volume 12, Issue 2, 2021, Pages 101-109]
Steiner Wiener indexSteiner Wiener Index of Complete m-Ary Trees [Volume 12, Issue 2, 2021, Pages 101-109]
Stochastic Selkov modelStochastic Stability and Bifurcation for the Selkov Model with Noise [Volume 12, Issue 1, 2021, Pages 39-55]
Sum-connectivity indexOn Sombor Index and some Topological Indices [Volume 12, Issue 4, 2021, Pages 209-215]
Super saturationControlled Synthesis Of One Dimensional Zinc Oxide Nanostructures in terms of Modelling [Volume 12, Issue 3, 2021, Pages 175-185]
T
Terminal distance matrixOn the Characteristic Polynomial and Spectrum of the Terminal Distance Matrix of Kragujevac Trees [Volume 12, Issue 2, 2021, Pages 89-99]
Topological entropyTopological 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]
TreesOn the Trees with Given Matching Number and the Modified First Zagreb Connection Index [Volume 12, Issue 3, 2021, Pages 127-138]
Triangle-free graphsRelations between Sombor Index and some Degree-Based Topological Indices [Volume 12, Issue 1, 2021, Pages 19-26]
W
Weighted graphComputing the Mostar Index in Networks with Applications to Molecular Graphs [Volume 12, Issue 1, 2021, Pages 1-18]
Wiener indexSteiner Wiener Index of Complete m-Ary Trees [Volume 12, Issue 2, 2021, Pages 101-109]
Wiener indexTopological Indices of a Kind of Altans [Volume 12, Issue 4, 2021, Pages 217-224]
Z
Zagreb indicesRelations between Sombor Index and some Degree-Based Topological Indices [Volume 12, Issue 1, 2021, Pages 19-26]
Zagreb indicesOn Sombor Index and some Topological Indices [Volume 12, Issue 4, 2021, Pages 209-215]