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Nurijam Hanna M. Mohammad, Rachel M. Patangan, Mae P. Militante, Faricia M. Abdulwahid, Edwin B. Fabillar,

Relation Between Wiener Index and First Zagreb Index with First Zagreb Coindex.

Int. J. Math. Comput. Sci., 20, no. 4, (2025), 947-951

DOI:

https://doi.org/10.69793/ijmcs/04.2025/EdwinFabillar

Keywords and phrases:

Wiener index, first Zagreb index, first Zagreb coindex topological index, pharmaceutical research, QSAR, QSPR.

Abstract:

In this paper, we establish extremal results and bounds of Wiener index with respect to the sum of the first Zagreb index and the first Zagreb coindex of a graph given its minimum and maximum degrees together with its diameter. We have shown that nontrivial complete graphs correspond to extremal graphs.