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author:

刘剑萍 (刘剑萍.) [1] | 陈锦松 (陈锦松.) [2]

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Abstract:

设G是简单图,对G中任意顶点v,dv表示点v的度数.图G的Randic指数,也称为图G的连通性指数,定义为R=R(G)=∑uv∈E1dudv.图G的ABC指数定义为ABC(G)=uv∑∈E(G)du+duddvv-2.Ballobas等人于1998年证明了"在没有孤立点的图中,星图的Randic指数最小",Pavlovic等人于2001年用另一种方法也证明了此结论.该文得到了这个结论更加简单的证明方法并给出了六角链ABC指数的极值.

Keyword:

ABC指数 RANDIC指数

Community:

  • [ 1 ] 福州大学数学与计算机科学学院,福建福州350108

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Source :

广西师范学院学报:自然科学版

ISSN: 1002-8743

Year: 2010

Issue: 4

Volume: 27

Page: 17-20

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 0

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