论文标题
可访问组的详尽完成
The profinite completion of accessible groups
论文作者
论文摘要
We introduce a class $\A$ of finitely generated residually finite accessible groups with some natural restriction on one-ended vertex groups in their JSJ-decompositions.我们证明，在$ \ a $中的小组的完成几乎几乎可以检测到其JSJ分解，并计算了$ \ a $的群体免费产品属。
We introduce a class $\A$ of finitely generated residually finite accessible groups with some natural restriction on one-ended vertex groups in their JSJ-decompositions. We prove that the profinite completion of groups in $\A$ almost detects its JSJ-decomposition and compute the genus of free products of groups in $\A$.
