[1] I. Gutman and N. Trinajstic, Graph theory and molecular orbitals. Total $\phi$-electron energy of alternant hydrocarbons, Chem. Phys. Lett. 17 (1972) 535–538, https://doi.org/10.1016/0009-2614(72)85099-1.
[2] I. Gutman, The energy of a graph: old and new results, Algebraic combinatorics and applications (2001) 196–211, https://doi.org/10.1007/978-3-642-59448-9_13.
[3] X. Li, Y. Shi and I. Gutman, Graph Energy, Springer, New York, 2012.
[4] R. Balakrishnan, The energy of a graph, Linear Algebra Appl. 387 (2004) 287–295, https://doi.org/10.1016/j.laa.2004.02.038.
[5] V. Nikiforov, The energy of graphs and matrices, J. Math. Anal. Appl. 326 (2007) 1472–1475, https://doi.org/10.1016/j.jmaa.2006.03.072.
[6] N. Biggs, Algebraic Graph Theory, Cambridge University press, 1993.
[7] D. Cvetkovic, P. Rowlinson and S. Smic, An Introduction to the Theory of Graph Spectra, Cambridge University Press, Cambridge, 2010.
[8] R. A. Horn and C. R. Johnson, Matrix Analysis, Cambridge University Press, 2012.
[9] A. Eyvazi, H. Barzegar, H. Arianpoor and N. Amraei, Extremal laplacian spectral radius incactus graphs. Discrete Math. Algorithms Appl. (2026) #2650062, https://doi.org/10.1142/S179383092650062X.
[10] S. Geršgorin, Über die abgrenzung der eigenwerte einer matrix, Bulletin de l’Académie des Sciences de l’URSS. Classe des sciences mathématiques et naturelles, 6 (1931) 749–754.
[11] C. Liu and C.Weng, Spectral radius and degree sequence of a graph, 438 (2013) 3511–3515, https://doi.org/10.1016/j.laa.2012.12.016.
[12] W. Zhang, A tight upper bound of spectral radius in terms of degree deviation, J. Algebraic Combin. 64 (2026) #12, https://doi.org/10.1007/s10801-026-01563-2.
[13] K. C. Das, I. Gutman, I. Milovanovic, E. Milovanovic and B. Furtula, Degree-based energies of graphs, Linear Algebra Appl. 554 (2018) 185–204, https://doi.org/10.1016/j.laa.2018.05.027.
[14] X. L. Li and N. Yang, Spectral properties and energy of weighted adjacency matrices for graphs with degree-based edge-weight functions, Acta Math. Sin. (Engl. Ser.) 40 (2024) 3027–3042, https://doi.org/10.1007/s10114-024-3127-9.
[15] Y. Yang, L. Xu and C. Hu, Extended adjacency matrix indices and their applications, J. Chem. Inf. Comput. Sci. 34 (1994) 1140–1145, https://doi.org/10.1021/ci00021a020.
[16] Z. Dvorák and B. Mohar, Spectral radius of finite and infinite planar graphs and of graphs of bounded genus, J. Combin. Theory Ser. B 100 (2010) 729–739, https://doi.org/10.1016/j.jctb.2010.07.006.
[17] S.Wagner and H.Wang, Introduction to Chemical Graph Theory, Chapman and Hall/CRC, 2018.
[18] D. Vukicevic and M. Gašperov, Bond additive modeling 1. Adriatic indices, Croat. Chem. Acta 83 (2010) 243–260.
