Isomorphism and weak conjugacy of free bernoulli subflows

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Abstract

We show that for G a countable group which is not locally finite, the isomorphism of free G-subflows is bi-reducible with with the universal countable Borel equivalence relation E, a result obtained independently by Gao-Jackson-Seward. We also show that the same result holds for the relation of weak conjugacy and for any intermediate Borel equivalence relation.

Original languageEnglish
Pages (from-to)77-87
Number of pages11
JournalContemporary Mathematics
Volume752
DOIs
StatePublished - 2020

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