DEGREE BASED TOPOLOGICAL INDICES OF n-HEPTANE ISOMERS (original) (raw)

A graphG = (V (G), E(G)) consists of the vertex set V(G) and the edge set E(G) such that each edge e in E is assigned an unordered pair of vertices (u, v), called the end vertices of e. The skeleton of an organic molecule (usually, of a hydrocarbon) represents simple graph. Thus the vertices of molecular graph represent the carbon atoms, and edges the carbon-carbon bonds. In molecular graph we have many topo-logical indices. In this paper, we are computing ABC index, GA index, AG index of n-heptane isomers.

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