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Glimm-Effros for coanalytic equivalence relations

Published online by Cambridge University Press:  12 March 2014

Greg Hjorth
Greg Hjorth*
Affiliation:
Department of Mathematics and Statistics, University of Melbourne, Parkville Victoria. 3010., Australia, E-mail: greg.hjorth@gmail.com
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Abstract

Assuming every real has a sharp, we prove that for any equivalence relation either Borel reduces E0 or in a manner allows the assignment of bounded subsets of ω1 as complete invariants.

Type
Research Article
Information
The Journal of Symbolic Logic , Volume 74 , Issue 2 , June 2009 , pp. 402 - 422
Copyright
Copyright © Association for Symbolic Logic 2009

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