The Harary Index of All Unicyclic Graphs with Given Diameter

Bao-Hua Xing, Gui-Dong Yu, Li-Xiang Wang and Jinde Cao

Discrete Dynamics in Nature and Society, 2018, vol. 2018, 1-6

Abstract:

The Harary index of is the sum of reciprocals of distance between any two vertices in . In this paper, we obtain the graphs with the maximum and second-maximum Harary indices among -vertex unicyclic graphs with diameter .

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:3957023

DOI: 10.1155/2018/3957023

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