Kurosh's theorem for countable Borel equivalence relations

DOI10.5802/aif.2550zbMath1274.37004OpenAlexW1643941439MaRDI QIDQ1958968

Aurélien Alvarez

Publication date: 30 September 2010

Published in: Annales de l'Institut Fourier (Search for Journal in Brave)

Full work available at URL: http://www.numdam.org/item?id=AIF_2010__60_4_1161_0

zbMATH Keywords

Bass-Serre theoryKurosh's theoremarboretumcountable (measured) Borel equivalence relations

Mathematics Subject Classification ID

Free products of groups, free products with amalgamation, Higman-Neumann-Neumann extensions, and generalizations (20E06) Algebraic ergodic theory, cocycles, orbit equivalence, ergodic equivalence relations (37A20) General groups of measure-preserving transformations and dynamical systems (37A15) General theory of group and pseudogroup actions (22F05)

Related Items (4)

Measure free factors of free groups. ⋮ Amenable absorption in amalgamated free product von Neumann algebras ⋮ Free products, orbit equivalence and measure equivalence rigidity ⋮ Amalgamated free product type III factors with at most one Cartan subalgebra

Cites Work

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• Topics in orbit equivalence
• Cost of equivalence relations and groups
• Mercuriale de groupes et de relations
• COUNTABLE BOREL EQUIVALENCE RELATIONS
• On the cost of generating an equivalence relation

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