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Permanent properties of amenable, transitive and faithful actions

We study hereditary properties of the class of countable groups admitting an amenable, transitive and faithful action on a countable set. We consider mainly the case of amalgamated free products, and we show in particular that the double of amenable groups and the amalgamated free products of two amenable groups over a finite subgroup admit such actions.

preprint2010arXivOpen access
Soyoung Moon
math.GR
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Soyoung Moon

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