## Actions of Discrete Amenable Groups on Von Neumann Algebras, Issue 1138 |

### What people are saying - Write a review

We haven't found any reviews in the usual places.

### Contents

Introduction | 1 |

Main Results | 5 |

Invariants and Classification | 8 |

Copyright | |

10 other sections not shown

### Other editions - View all

Actions of Discrete Amenable Groups on Von Neumann Algebras Adrian Ocneanu No preview available - 2014 |

### Common terms and phrases

2-cohomology abelian action of G approximately inner bijection CC G centrally free action cocycle crossed action conjugacy classes construct Corollary countable define discrete amenable group discrete group e-paving equivariant estimates exists factor with separable faithful normal finite dimensional submodel finite subsets g e G G-kernels g,h e G Gn+1 group actions group G h,gh hence homomorphism hyperfinite inductively inequality infer inner automorphisms isomorphic Kn+1 KnLn left g translation lemma lemma is proved Let f Let G matrix units McDuff factor model action moreover n-th finite dimensional Neumann algebra normal subgroup obtain outer conjugacy outer conjugate partial isometry partition of unity Paving Structure projections proof relative commutant representing sequences Rohlin Theorem satisfies separable predual Step strongly free strongly outer subfactor submodel action subsets of G suppose tower ultraproduct unitaries vgag W*-algebra yields