Computation on the difference of Zagreb indices of maximal planar graphs with diameter two

Yiqiao Wang and Lina Zheng

Applied Mathematics and Computation, 2020, vol. 377, issue C

Abstract: The first and second Zagreb indices of a graph G are defined asM1(G)=∑u∈V(G)(d(u))2,M2(G)=∑uv∈E(G)d(u)d(v),where d(x) denotes the degree of a vertex x in G. The difference of Zagreb indices of the graph G is defined asΔM(G)=M2(G)−M1(G).

Keywords: Difference of zagreb indices; Maximal planar graphs; Diameter two; Minimum degree; Extremal graph (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:377:y:2020:i:c:s0096300320301569

DOI: 10.1016/j.amc.2020.125187

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