An equivalence relation that is not freely generated

Author:

Adams Scot

Abstract

In this paper it is shown that there exists a Borel equivalence relation with countable equivalence classes that is not generated by a free Borel action of a countable discrete group.

Publisher

American Mathematical Society (AMS)

Subject

Applied Mathematics,General Mathematics

Reference3 articles.

1. Ergodic equivalence relations, cohomology, and von Neumann algebras. I;Feldman, Jacob;Trans. Amer. Math. Soc.,1977

2. Monographs in Mathematics;Zimmer, Robert J.,1984

3. Hyperfinite factors and amenable ergodic actions;Zimmer, Robert J.;Invent. Math.,1977

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