The eccentric connectivity index of one pentagonal carbon nanocones

被引：0
|
作者：
Saheli, M. [1 ]
Saati, H. [1 ]
Ashrafi, A. R. [1 ]
机构：
[1] Univ Kashan, Inst Nanosci & Nanotechnol, Kashan 8731751167, Iran
来源：
OPTOELECTRONICS AND ADVANCED MATERIALS-RAPID COMMUNICATIONS | 2010年 / 4卷 / 06期
关键词：
One pentagonal carbon nanocone; PI index; Edge Szeged index; WIENER INDEX; SZEGED-INDEXES; PI;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Let G be a graph. The eccentric connectivity index xi(G) is defined as xi(G) = Sigma(u is an element of V(G))deg(u)epsilon(u) where deg(u) denotes the degree of vertex u and epsilon(u) is the largest distance between u and any other vertex v of G. In this paper, exact formulas for the eccentric connectivity index of one pentagonal carbon nanocones are given.
引用
收藏
页码：896 / 897
页数：2
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