Abstract
An exposition of recent work on Borel equivalence relations in Polish spaces is presented. This includes a general Glimm-Effros dichotomy for Borel equivalence relations and a study of countable Borel equivalence relations and their classification into subclasses such as smooth, hyperfinite, amenable, treeable etc.
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Kechris, A.S. (1992). The Structure of Borel Equivalence Relations in Polish Spaces. In: Judah, H., Just, W., Woodin, H. (eds) Set Theory of the Continuum. Mathematical Sciences Research Institute Publications, vol 26. Springer, New York, NY. https://doi.org/10.1007/978-1-4613-9754-0_7
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