A new algorithm for computing distance matrix and Wiener index of zig-zag polyhex nanotubes

被引:48
作者
Ashrafi, Ali Reza [1 ]
Yousefi, Shahram [2 ]
机构
[1] Univ Kashan, Inst Nanosci & Nanotechnol, Kashan, Iran
[2] Malek Ashtar Univ Technol, Ctr Space Studies, Tehran, Iran
来源
NANOSCALE RESEARCH LETTERS | 2007年 / 2卷 / 04期
关键词
zig-zag polyhex nanotube; distance matrix; Wiener index;
D O I
10.1007/s11671-007-9051-y
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The Wiener index of a graph G is defined as the sum of all distances between distinct vertices of G. In this paper an algorithm for constructing distance matrix of a zig-zag polyhex nanotube is introduced. As a consequence, the Wiener index of this nanotube is computed.
引用
收藏
页码:202 / 206
页数:5
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