𝐿²-Betti numbers of locally compact groups and their cross section equivalence relations

DOI10.1090/S0002-9947-2015-06449-6zbMath1312.22003arXiv1302.6753OpenAlexW2092404641MaRDI QIDQ5247023

Henrik Densing Petersen, David Kyed, Stefaan Vaes

Publication date: 22 April 2015

Published in: Transactions of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1302.6753

zbMATH Keywords

group actionequivalence relation\(L^2\)-Betti numberergodic measure preserving action

Mathematics Subject Classification ID

Ergodic theory on groups (22D40) General groups of measure-preserving transformations (28D15) Algebraic ergodic theory, cocycles, orbit equivalence, ergodic equivalence relations (37A20) Measurable group actions (22F10)

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