Extremal Unicyclic and Bicyclic Graphs with Respect to Harary Index

被引:0
作者
Xu, Kexiang [1 ]
Das, Kinkar Ch. [2 ]
机构
[1] Nanjing Univ Aeronaut Astronaut, Coll Sci, Nanjing, Jiangsu, Peoples R China
[2] Sungkyunkwan Univ, Dept Math, Suwon 440746, South Korea
关键词
Unicyclic graph; bicyclic graph; Harary index; diameter; WIENER INDEX; HYPER-WIENER; TOPOLOGICAL INDEXES; DISTANCE MATRIX; TREES; ZAGREB; NUMBER;
D O I
暂无
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
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, we determined the extremal (maximal and minimal) unicyclic and bicyclic graphs with respect to Harary index.
引用
收藏
页码:373 / 383
页数:11
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