Abstract. Topological Indices is a graph invariant, which is defined from a set of finite graphs to real numbers. A large number of topological indices have been conceived, depending on vertex degrees, which are called degree based topological indices. In this paper it is tried to discuss about some of these degree based topological indices viz., Augmented Zagreb indices, Harmonic index, and the three S indices in connection with SiO 2 layer structurein a graph theoretic prospective.
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