The Modified Zagreb Indices About Disjunction and Symmetric Difference of Graphs

Jianxiu Hao1
1Institute of Mathematics, Physics and Information Sciences, Zhejiang Normal University, P.O. Box: 321004, Jinhua, Zhejiang, P.R. China

Abstract

The modified Zagreb indices are important topological indices in mathematical chemistry. In this paper, we study the modified Zagreb indices of disjunctions and symmetric differences.