Sharp upper bounds for augmented zagreb index of graphs with fixed parameters

Fengwei Li*, Qingfang Ye, Hajo Broersma, Ruixuan Ye

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

The augmented Zagreb index (AZI index) is a degree-based molecular structure descriptor that can be used for modelling thermodynamic properties of organic chemical compounds. Motivated by its applicable potential, a series of investigations have been carried out in the past several years. In this paper, we present several sharp upper bounds on the AZI index of graphs with _xed parameters such as the independence number, edge-connectivity, chromatic number respectively, and characterize the corresponding extremal graphs.

Original languageEnglish
Pages (from-to)257-274
Number of pages18
JournalMatch
Volume85
Issue number2
Publication statusPublished - 2021

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