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arxiv: 1612.04280 · v2 · pith:3XUC4U2Dnew · submitted 2016-12-13 · 🧮 math.FA · math.GR· math.OA

Weak amenability of Lie groups made discrete

classification 🧮 math.FA math.GRmath.OA
keywords amenableweaklyconnectedgroupgroupsdiscreteamenabilitycharacterization
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We completely characterize connected Lie groups all of whose countable subgroups are weakly amenable. We also provide a characterization of connected semisimple Lie groups that are weakly amenable. Finally, we show that a connected Lie group is weakly amenable if the group is weakly amenable as a discrete group.

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