Asian-european Journal of Mathematics | 2019
A short note on inverse sum indeg index of graphs
Abstract
The inverse sum indeg index of a graph G is defined as ISI(G) =∑uv∈E(G) d(u)d(v) d(u)+d(v), where d(u) is the degree of the vertex u. In a recent paper, Pattabiraman [Inverse sum indeg index of gra...