A characterization of coactions whose fixed-point algebras contain special maximal abelian $\ast$-subalgebras

DOI10.1017/S0143385706000459zbMath1135.46038OpenAlexW2140183558MaRDI QIDQ5757195

Hisashi Aoi, Takehiko Yamanouchi

Publication date: 6 September 2007

Published in: Ergodic Theory and Dynamical Systems (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1017/s0143385706000459

zbMATH Keywords

1-cocyclesfixed-point diagonal subalgebragroupoid von Neumann algebrameasured principal groupoid

Mathematics Subject Classification ID

General theory of von Neumann algebras (46L10) Noncommutative dynamical systems (46L55) Algebraic ergodic theory, cocycles, orbit equivalence, ergodic equivalence relations (37A20)

Related Items (3)

Rohlin flows on von Neumann algebras ⋮ On the normalizing groupoids and the commensurability groupoids for inclusions of factors associated to ergodic equivalence relations-subrelations ⋮ A characterization of a coaction reduced to that of a closed subgroup

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