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Minimal Harary index of unicyclic graphs with diameter at most 4
Applied Mathematics and Computation ( IF 4 ) Pub Date : 2020-09-01 , DOI: 10.1016/j.amc.2020.125315
Lihua Feng , Ziyuan Li , Weijun Liu , Lu Lu , Dragan Stevanović

Abstract The Harary index of a graph G is defined as H ( G ) = ∑ { u , v } ⊆ V ( G ) 1 d G ( u , v ) , where dG(u, v) is the distance between the vertices u and v. In this paper, we respectively determine the minimal Harary index among all unicyclic graphs with diameter 3 and all unicyclic graphs with diameter 4.

中文翻译:

直径最大为 4 的单环图的最小 Harary 指数

摘要 图 G 的哈拉里指数定义为 H ( G ) = ∑ { u , v } ⊆ V ( G ) 1 d G ( u , v ) ,其中 dG(u, v) 是顶点 u 之间的距离v. 在本文中,我们分别确定了所有直径为 3 的单环图和所有直径为 4 的单环图之间的最小 Harary 指数。
更新日期:2020-09-01
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