最大Randi(c)指标的k悬挂点化学树的性质

摘要

Abstract The Randic index of an chemical molecule whose molecular graph is G is the sum of the weights (dG(u)dG(v))-(1/2) of all edges uv of G, where dG(u) denotes the degree of the vertex u of the molecular graph G. In this paper, we character some properties of chemical trees with k pendant vertices and maximal Randic index.%化学分子图G的Randic指标为R(G)=E(dG(u)dG(v))-(1/2).其中uv是G的边,dG(u)表示G的顶点u的度.本文刻画了具有最大Randic指标的K悬挂点化学树的一些性质.