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arxiv: 1006.5389 · v2 · pith:PHZJCYY7new · submitted 2010-06-28 · 🧮 math.GR

Some non-amenable groups

classification 🧮 math.GR
keywords groupsclassestablishfinitelyfirstgeneralizegeneratedl2-betti
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We generalize a result of R. Thomas to establish the non-vanishing of the first l2-Betti number for a class of finitely generated groups.

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