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  • Author: Keerthi G. Mirajkar x
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B. Basavanagoud, Wei Gao, Shreekant Patil, Veena R. Desai, Keerthi G. Mirajkar and B Pooja


For a (molecular) graph, the first Zagreb index is equal to the sum of squares of the degrees of vertices, and the F-index is equal to the sum of cubes of the degrees of vertices. In this paper, we introduce sixty four new operations on graphs and study the first Zagreb index and F-index of the resulting graphs.