
doi: 10.12958/adm281
Summary: Let \(G\) be a graph with vertex set \(V(G)\) and edge set \(E(G)\). Denote by \(d_G(u)\) the degree of a vertex \(u\in V(G)\). The general sum-connectivity index of \(G\) is defined as \(\chi_{\alpha}(G)=\sum_{u_1u_2\in E(G)}(d_G(u_1)+d_G(u_2))^{\alpha}\), where \(\alpha\) is a real number. In this paper, we compute the bounds for general sum-connectivity index of several graph operations. These operations include corona product, Cartesian product, strong product, composition, join, disjunction and symmetric difference of graphs. We apply the obtained results to find the bounds for the general sum-connectivity index of some graphs of general interest.
general sum-connectivity index, Graph operations (line graphs, products, etc.), corona product, Vertex degrees, Randić index, strong product, symmetric difference
general sum-connectivity index, Graph operations (line graphs, products, etc.), corona product, Vertex degrees, Randić index, strong product, symmetric difference
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