Hyperfiniteness of boundary actions of hyperbolic groups

DOI10.1007/s00208-020-02001-9OpenAlexW3106081539MaRDI QIDQ785339

Timothée Marquis, Marcin Sabok

Publication date: 6 August 2020

Published in: Mathematische Annalen (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1907.09928

zbMATH Keywords

Borel equivalence relationsGromov boundaryBorel actions of countable groupsBorel spacesgeodesic ray bundlemeasurable actions

Mathematics Subject Classification ID

Geometric group theory (20F65) Descriptive set theory (03E15) General groups of measure-preserving transformations (28D15) Hyperbolic groups and nonpositively curved groups (20F67) Algebraic ergodic theory, cocycles, orbit equivalence, ergodic equivalence relations (37A20) Group actions on combinatorial structures (05E18)

Related Items (3)

Boundary amenability of $Out(F_N)$ ⋮ Hyperfiniteness of boundary actions of acylindrically hyperbolic groups ⋮ Unicorn paths and hyperfiniteness for the mapping class group

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