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The R∞-property for right-angled Artin groups
Topology and its Applications ( IF 0.6 ) Pub Date : 2021-01-07 , DOI: 10.1016/j.topol.2020.107557
Karel Dekimpe , Pieter Senden

Given a group G and an automorphism φ of G, two elements x,yG are said to be φ-conjugate if x=gyφ(g)1 for some gG. The number of equivalence classes is the Reidemeister number R(φ) of φ, and if R(φ)= for all automorphisms of G, then G is said to have the R-property.

A finite simple graph Γ gives rise to the right-angled Artin group AΓ, which has as generators the vertices of Γ and as relations vw=wv if and only if v and w are joined by an edge in Γ. We conjecture that all non-abelian right-angled Artin groups have the R-property and prove this conjecture for several subclasses of right-angled Artin groups.



中文翻译:

[R -特性为直角阿廷组

给定的一组G ^和构φģ,两个元件XÿG被称为φ-共轭X=GÿφG-1个 对于一些 GG。等价类的数量是Reidemeister数[Rφφ,如果[Rφ=对于G的所有自同构,则称G具有[R-属性。

有限简单图Γ引起直角Artin组 一种Γ,它具有Γ的顶点和关系 vw=wv当且仅当vw通过Γ中的边连接时。我们推测所有非阿贝尔直角阿丁族群都有[R属性,并证明对直角Artin组的几个子类的猜想。

更新日期:2021-01-07
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