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Published 1996 | Published
Book Section - Chapter Open

Actions with Borel Orbit Equivalence Relations

Abstract

If G is a Polish group and (X, α) a Borel G-space, then the associated equivalence relation E_α is analytic but in general not Borel, even when X is a Polish G-space (see 3.2). We study in this section various questions concerning the Borelness of such E_α.

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© 1996 Cambridge University Press.

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Created:
August 20, 2023
Modified:
March 5, 2024