PADMAKAR-IVAN INDEX OF Y-JUNCTION NANOTUBES

被引：0
|
作者：
Yazdani, Javad [2 ]
Bahrami, Amir [1 ]
机构：
[1] Islamic Azad Univ, Garmsar Branch, Garmsar, Iran
[2] Kermanshah Univ Technol, Nanotechnol Lab, Kermanshah, Iran
来源：
DIGEST JOURNAL OF NANOMATERIALS AND BIOSTRUCTURES | 2010年 / 5卷 / 01期
关键词：
Padmakar-Ivan index; Symmetric Y-Junctin carbon Nanotubes; Toplogical index; OMEGA;
D O I：
暂无
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The Padmakar-Ivan (PI) index of a graph G is defined as PI(G) = Sigma[n(eu) (e vertical bar G)+e(nv) (e vertical bar G)], where for edge e=(u,v) are n(eu) (e vertical bar G) is the number of edges of G lying closer to u than v, n(ev) (e vertical bar G)] is the number of edges of G lying closer to v than u and summation goes over all edges of G. In this paper we describe a method of computing PI index of some types of Y- Junction carbon nanotubes using orthogonal cuts.
引用
收藏
页码：119 / 122
页数：4
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