Total-Szeged Index of C4-Nanotubes, C4-Nanotori and Dendrimer Nanostars

被引:23
作者
Manuel, Paul [1 ]
Rajasingh, Indra [2 ]
Arockiaraj, Micheal [3 ]
机构
[1] Kuwait Univ, Dept Informat Sci, Safat 13060, Kuwait
[2] VIT Univ, Sch Adv Sci, Madras 600127, Tamil Nadu, India
[3] Loyola Coll, Dept Math, Chennai 600034, Tamil Nadu, India
关键词
Vertex Szeged Index; Edge Szeged Index; Edge-Vertex Szeged Index; Total Szeged Index; Nanostars; BENZENOID HYDROCARBONS; GRAPHS; VERSION; PI;
D O I
10.1166/jctn.2013.2712
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The total-Szeged index of a molecular graph G is defined as the sum of products t(u)(e)t(v)(e) over all edges e = (u, v) of G, where t(u)(e) is the number of vertices and edges of G whose distance to vertex u is smaller than the distance to vertex v, and where t(v)(e) is defined analogously. The aim of this paper is to compute the total-Szeged index of C-4-nanotubes, C-4-nanotori and two types of dendrimer nanostars.
引用
收藏
页码:405 / 411
页数:7
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