Bounds on First Reformulated Zagreb Index of Graph

Document Type : Research Articles

Authors

1 Annamalai University

2 Annai Teresa College of Engineering

Abstract

The first reformulated Zagreb index EM1(G) of a simple graph G is defined as the sum of the terms (du+dv−2)2 over all edges uv of G. In this paper, the various upper and lower bounds for the first reformulated Zagreb index of a connected graph interms of other topological indices are obtained.

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