Unicyclic Graphs with the Fourth Extremal Wiener Indices

A graph is called unicyclic if the graph contains exactly one cycle. Unicyclic graphs with the fourth extremal Wiener indices are characterized. It is shown that, among all unicyclic graphs with n≥8 vertices, C5Sn−4 and C2u1,u2S3,Sn−4 attain the fourth minimum Wiener index, whereas C3u1,u2P3,Pn−4 at...

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Bibliographic Details
Main Authors: Guangfu Wang, Yujun Yang, Yuliang Cao, Shoujun Xu
Format: Article
Language:English
Published: Wiley 2020-01-01
Series:Journal of Chemistry
Online Access:http://dx.doi.org/10.1155/2020/2878901
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