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Mathematical Sciences Letters
An International Journal


Volumes > Vol. 6 > No. 2


The Hyper-Zagreb Index of Four Operations on Graphs

PP: 193-198
B. Basavanagoud, Shreekant Patil,
The hyper-Zagreb index of a connected graph G, denoted by HM(G), is defined as HM(G) = ∑ uv∈E(G) [dG(u)+dG(v)]2 where dG(z) is the degree of a vertex z in G. In this paper, we study the hyper-Zagreb index of four operations on graphs.

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