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Grothendieck rigidity and virtual retraction of higher-rank GBS groups

Wang, Daxun
arXiv (All) · Papers
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20e06group-theory
A rank $n$ generalized Baumslag-Solitar group ($GBS_n$ group) is a group that splits as a finite graph of groups such that all vertex and edge groups are isomorphic to $\mathbb{Z}^n$. This paper investigates Grothendieck rigidity and virtual retraction properties of $GBS_n$ groups. We show that ever
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