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arxiv: 1206.2072 · v3 · pith:ENGRZVZHnew · submitted 2012-06-11 · 🧮 math.GR

Amenable groups without finitely presented amenable covers

classification 🧮 math.GR
keywords finitelyamenablepresentedgroupscoversexamplesgeneratedgroup
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The goal of this article is to study results and examples concerning finitely presented covers of finitely generated amenable groups. We collect examples of groups $G$ with the following properties: (i) $G$ is finitely generated, (ii) $G$ is amenable, e.g. of intermediate growth, (iii) any finitely presented group $E$ with a quotient isomorphic to $G$ contains non-abelian free subgroups, or the stronger (iii') any finitely presented group with a quotient isomorphic to $G$ is large.

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