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The dynamical approach to the conjugacy in groups
Topology and its Applications ( IF 0.6 ) Pub Date : 2021-02-15 , DOI: 10.1016/j.topol.2021.107633 Igor Protasov , Ksenia Protasova
中文翻译:
群体共轭的动力学方法
更新日期:2021-02-19
Topology and its Applications ( IF 0.6 ) Pub Date : 2021-02-15 , DOI: 10.1016/j.topol.2021.107633 Igor Protasov , Ksenia Protasova
Given a discrete group G, we identify the Stone-Čech compactification βG with the set of all ultrafilters on G and put . The action G on G by the conjugations induces the action of G on by , . We study interplays between the algebraic properties of G and the dynamical properties of . In particular, we show that is finite for each if and only if the commutant of G is finite.
中文翻译:
群体共轭的动力学方法
给定一个离散的G组,我们用G上所有超滤器的集合确定Stone-Čech压实βG,并将。由共轭引起的G对G的作用诱导的作用ģ上 经过 , 。我们研究G的代数性质与G的动力学性质之间的相互作用。。特别是,我们表明 每个都是有限的 当且仅当G的换向是有限的。