S-Index of Different Graph Operations
S. Nagarajan, G. Kayalvizhi, G. Priyadharsini
Asian Research Journal of Mathematics · pp. 43–52 · Published 24 Dec 2021
10.9734/arjom/2021/v17i1230347Abstract
In this paper, we introduced new index from the Zagreb index family, named as -index is defined as the sum of degree five of all the vertices of a graph. We derive the -index of some different graph operations such that Join, Cartesian product, Composition, Corona product, Tensor Product, Strong product, Disjunction, Symmetric difference, Corona join product, Subdivision vertex join are obtained.
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