On the normalizer of certain subalgebras of group-measure factors
DOI10.1090/S0273-0979-1982-15048-0zbMath0492.28007MaRDI QIDQ3954022
Publication date: 1982
Published in: Bulletin of the American Mathematical Society (Search for Journal in Brave)
conditional expectationRadon-Nikodym derivativefibred producthyperfinite factorergodic-theoretic spectral invariantsfree ergodic actions of countable discrete groupsinner conjugacy problem for Cartan subalgebrasintermediate quotient actionsnormal faithful projection of norm onevon Neumann-Murray group measure construction
General theory of von Neumann algebras (46L10) General groups of measure-preserving transformations (28D15) Classifications of (C^*)-algebras (46L35) Automorphisms of selfadjoint operator algebras (46L40) Linear operators in (C^*)- or von Neumann algebras (47C15)
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