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math.OA2011★ 7 cited
Tensor C*-categories arising as bimodule categories of II_1 factors
Sébastien Falguières, Sven Raum
We prove that if C is a tensor C*-category in a certain class, then there exists an uncountable family of pairwise non stably isomorphic II_1 factors (M_i) such that the bimodule c…
math.OA2011
Stable orbit equivalence of Bernoulli actions of free groups and isomorphism of some of their factor actions
Niels Meesschaert, Sven Raum, Stefaan Vaes
We give an elementary proof for Lewis Bowen's theorem saying that two Bernoulli actions of two free groups, each having arbitrary base probability spaces, are stably orbit equivale…