Strong rigidity of generalized Bernoulli actions and computations of their symmetry groups

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dc.creatorPopa, Sorin
dc.creatorVaes, Stefaan
dc.date2006-05-16
dc.date2006-06-23
dc.date.accessioned2026-07-07T09:30:11Z
dc.date.available2026-07-07T09:30:11Z
dc.descriptionWe study equivalence relations and II_1 factors associated with (quotients of) generalized Bernoulli actions of Kazhdan groups. Specific families of these actions are entirely classified up to isomorphism of II_1 factors. This yields explicit computations of outer automorphism and fundamental groups. In particular, every finitely presented group is concretely realized as the outer automorphism group of a continuous family of non stably isomorphic II_1 factors.
dc.descriptionSome remarks added and a few minor corrections made
dc.identifierhttps://arxiv.org/abs/math/0605456
dc.identifierhttp://arxiv.org/abs/math/0605456
dc.identifierAdvances in Mathematics, vol. 217 (2008), 833--872.
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/158045
dc.subjectOperator Algebras
dc.subjectGroup Theory
dc.titleStrong rigidity of generalized Bernoulli actions and computations of their symmetry groups
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