On the Randic index of cacti

被引：0
|
作者：
Lu, Mei [1 ]
Zhang, Lianzhu [2 ]
Tian, Feng [3 ]
机构：
[1] Tsinghua Univ, Dept Math Sci, Beijing 100084, Peoples R China
[2] Xiamen Univ, Sch Math Sci, Xiamen 361005, Fujian, Peoples R China
[3] Chinese Acad Sci, Inst Syst Sci, Acad Math & Syst Sci, Beijing 100080, Peoples R China
来源：
MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY | 2006年 / 56卷 / 03期
关键词：
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The Randic index of an organic molecule whose molecular graph is G is the sum of the weights (d(u)d(v))(-1/2) of all edges uv of G, where d(u) and d(v) are the degrees of the vertices u and v in G. In the paper, we give a sharp lower bound on the Randic index of cacti.
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页码：551 / 556
页数：6
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