• Liu Weijun

      Articles written in Proceedings – Mathematical Sciences

    • The Smallest Randić Index for Trees

      Li Bingjun Liu Weijun

      More Details Abstract Fulltext PDF

      The general Randic index Rα(G) is the sum of the weight d(u)d(v)α over all edges uv of a graph G, where α is a real number and d(u) is the degree of the vertex u of G. In this paper, for any real number α=0, the first three minimum general Randic indices among trees are determined, and the corresponding extremal trees are characterized.

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