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Some Orbits of Free Words that are Determined by Measures on Finite Groups
Journal of Algebra ( IF 0.9 ) Pub Date : 2020-08-01 , DOI: 10.1016/j.jalgebra.2020.03.013
Liam Hanany , Chen Meiri , Doron Puder

Abstract Every word in a free group F induces a probability measure on every finite group in a natural manner. It is an open problem whether two words that induce the same measure on every finite group, necessarily belong to the same orbit of Aut F . A special case of this problem, when one of the words is the primitive word x, was settled positively by the third author and Parzanchevski [15] . Here we extend this result to the case where one of the words is x d or [ x , y ] d for an arbitrary d ∈ Z .

中文翻译:

由有限群测度确定的一些自由词轨道

摘要 自由群 F 中的每个词都以自然的方式在每个有限群上引入概率测度。在每个有限群上引起相同测度的两个词是否一定属于 Aut F 的同一轨道,这是一个开放的问题。这个问题的一个特例,当其中一个词是原始词 x 时,第三作者和 Parzanchevski [15] 积极解决了这个问题。在这里,我们将此结果扩展到其中一个词是 xd 或 [ x , y ] d 对于任意 d ∈ Z 的情况。
更新日期:2020-08-01
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