Computing the Wiener index of a TUC4C8(S) nanotorus

被引：0
|
作者：
Ashrafi, Ali Reza [1 ]
Yousefi, Shahram
机构：
[1] Univ Kashan, Fac Sci, Dept Math, Kashan, Iran
[2] Malek Ashtar Univ Technol, Ctr Space Studies, Tehran, Iran
来源：
MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY | 2007年 / 57卷 / 02期
关键词：
D O I：
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中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The Wiener index is a graphical invariant that has found extensive application in chemistry. It is defined as W(G) = 1/2 Sigma({x,y}subset of V(G))d(x,y), where V(G) is the set of all vertices of G and for x,y is an element of V(G), d(x,y) denotes the length of a minimal path between x and y. In this paper an algorithm for computing the distance matrix of a TUC4C8 (R) nanotorus T = T[m,n] is given. Using this matrix, the following expression for the Wiener index of T is obtained, [GRAPHICS]
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页码：403 / 410
页数：8
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