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Bi-exact Wreath-like Product Groups

Chifan, Ionuţ et al.
arXiv (All) · Papers
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group-theoryoperator-algebras
In this short paper, we prove the bi-exactness of all wreath-like product groups $G\in\mathcal{WR}(A,B\curvearrowright I)$, whenever $A$ is amenable, $B$ is bi-exact, and the action $B\curvearrowright I$ has amenable stabilizers. As applications, we obtain solidity for the associated group von Neuma
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