On the Harary index of graph operations

被引：24

作者：

Das, Kinkar C. ^{[1
]}

Xu, Kexiang ^{[2
]}

Cangul, Ismail Naci ^{[3
]}

Cevik, Ahmet Sinan ^{[4
]}

Graovac, Ante ^{[5
]}

机构：

[1] Sungkyunkwan Univ, Dept Math, Suwon 440746, South Korea

[2] Nanjing Univ Aeronaut & Astronaut, Coll Sci, Nanjing, Jiangsu, Peoples R China

[3] Uludag Univ, Fac Arts & Sci, Dept Math, TR-16059 Bursa, Turkey

[4] Selcuk Univ, Dept Math, Fac Sci, TR-42075 Campus, Konya, Turkey

[5] Univ Split, Fac Sci, HR-21000 Split, Croatia

来源：

JOURNAL OF INEQUALITIES AND APPLICATIONS | 2013年

基金：

新加坡国家研究基金会; 中国博士后科学基金;

关键词：

graph; Harary index; graph operations; WIENER INDEX; TOPOLOGICAL INDEXES; HYPER-WIENER; TREES;

D O I：

10.1186/1029-242X-2013-339

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

The Harary index is defined as the sum of reciprocals of distances between all pairs of vertices of a connected graph. In this paper, expressions for the Harary indices of the join, corona product, Cartesian product, composition and disjunction of graphs are derived and the indices for some well-known graphs are evaluated. In derivations some terms appear which are similar to the Harary index and we name them the second and third Harary index.

引用

页数：16

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