Unicorn paths and hyperfiniteness for the mapping class group

DOI10.1017/fms.2021.34zbMath1470.57030arXiv2006.08872OpenAlexW3162253739MaRDI QIDQ4988400

Marcin Sabok, Piotr Przytycki

Publication date: 14 May 2021

Published in: Forum of Mathematics, Sigma (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2006.08872

zbMATH Keywords

mapping class groups of surfaceshyperfinite equivalence relationsending laminationsamenable equivalence relations

Mathematics Subject Classification ID

Descriptive set theory (03E15) Algebraic ergodic theory, cocycles, orbit equivalence, ergodic equivalence relations (37A20) 2-dimensional topology (including mapping class groups of surfaces, Teichmüller theory, curve complexes, etc.) (57K20)

Related Items (2)

Boundary amenability of $Out(F_N)$ ⋮ Hyperfiniteness of boundary actions of acylindrically hyperbolic groups

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