On the Maximum General Sum-Connectivity Index of Trees with a Fixed Order and Maximum Degree

The general sum-connectivity index of a graph G, denoted by χα(G), is defined as χα(G) =∑uv∈E(G)(d(u) + d(v))α, where uv is the edge connecting the vertices u,v ∈ V (G), d(w) denotes the degree of ...