Extremal graphs with respect to the modified first Zagreb connection index

Guillaume Ducoffe, Ruxandra Marinescu-Ghemeci, Camelia Obreja, Alexandru Popa, Rozica Maria Tache

Research output: Contribution to conferencePaperpeer-review

4 Citations (Scopus)

Abstract

Topological indices (TIs) have an important role in studying properties of molecules. A main problem in mathematical chemistry is finding extreme graphs with respect to a given TI. In this paper extremal graphs with respect to the modified first Zagreb connection index for trees, unicyclic graphs with or without a fixed girth and connected graphs are determined. These graphs are relevant since they are chemical graphs.

Original languageEnglish
Pages65-68
Number of pages4
Publication statusPublished - Jan 1 2019
Event16th Cologne-Twente Workshop on Graphs and Combinatorial Optimization, CTW 2018 - Paris, France
Duration: Jun 18 2018Jun 20 2018

Conference

Conference16th Cologne-Twente Workshop on Graphs and Combinatorial Optimization, CTW 2018
CountryFrance
CityParis
Period6/18/186/20/18

Keywords

  • Topological index
  • Trees
  • Unicyclic graphs
  • Zagreb indices

ASJC Scopus subject areas

  • Control and Optimization
  • Discrete Mathematics and Combinatorics

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