## Logic Seminar

Filippo Calderoni
Università di Torino
The bi-embeddability relation for countable torsion abelian groups
Abstract: In this talk we show how to use the Ulm theory to prove that the bi-embeddability and isomorphism relations for countable torsion abelian groups are incomparable up to Borel reducibility. This is joint work with Simon Thomas.
Tuesday March 13, 2018 at 3:30 PM in SEO 427
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