Joseph Zielinski : The complexity of the homeomorphism relation between compact metric spaces

Posted by Dima Sinapova , part of the Logic Seminar.

At

Sept. 23, 2014, 4 p.m.

In

SEO 427

Abstract

We consider the analysis of classification problems in the context of Borel reducibility and outline a proof that the complexity of the homeomorphism relation between compact metric spaces coincides, in this way, with that of the complete orbit equivalence relation of Polish group actions.