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The Hyper-Zagreb Index of Four Operations on Graphs |
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PP: 193-198 |
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doi:10.18576/msl/060212
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Author(s) |
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B. Basavanagoud,
Shreekant Patil,
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Abstract |
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| 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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