Every d(d + 1)-connected graph is globally rigid in Rd

IF 1.2 1区 数学 Q1 MATHEMATICS Journal of Combinatorial Theory Series B Pub Date : 2025-07-01 Epub Date: 2025-02-12 DOI:10.1016/j.jctb.2025.01.005
Soma Villányi
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引用次数: 0

Abstract

Using a probabilistic method, we prove that d(d+1)-connected graphs are rigid in Rd, a conjecture of Lovász and Yemini. Then, using recent results on weakly globally linked pairs, we modify our argument to prove that d(d+1)-connected graphs are globally rigid, too, a conjecture of Connelly, Jordán and Whiteley. The constant d(d+1) is best possible.
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每个d(d + 1)连通图在Rd中是全局刚性的
用概率方法证明了d(d+1)连通图在Rd上是刚性的,Rd是Lovász和Yemini的一个猜想。然后,利用弱全局连接对上的最新结果,我们修正了我们的论证,证明d(d+1)连通图也是全局刚性的,这是Connelly, Jordán和Whiteley的一个猜想。常数d(d+1)是最好的。
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来源期刊
CiteScore
2.70
自引率
14.30%
发文量
99
审稿时长
6-12 weeks
期刊介绍: The Journal of Combinatorial Theory publishes original mathematical research dealing with theoretical and physical aspects of the study of finite and discrete structures in all branches of science. Series B is concerned primarily with graph theory and matroid theory and is a valuable tool for mathematicians and computer scientists.
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