The characterization of trees with the smaller Wiener polarity indices

被引：0
|
作者：
Tang, Siping [2 ]
Deng, Hanyuan [1 ]
机构：
[1] Hunan Normal Univ, Coll Math & Comp Sci, Changsha 410081, Hunan, Peoples R China
[2] Hunan Univ Sci & Technol, Sch Math & Comp Sci, Xiangtan 411201, Hunan, Peoples R China
来源：
UTILITAS MATHEMATICA | 2012年 / 87卷
关键词：
topological index; the Wiener polarity index; distance; chemical tree;
D O I：
暂无
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
The Wiener polarity index W-p(G) of a graph G = (V, E) is the number of unordered pairs of vertices {u, v} of G such that the distance d(G)(u, v) between u and v is 3. In this paper, we characterize the trees with the second and third smallest Wiener polarity indices among all trees of order n and diameter k.
引用
收藏
页码：183 / 190
页数：8
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