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Logic Seminar

Wednesday, June 7, 2023
12:00pm to 1:00pm
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Online Event
Borel asymptotic dimension and hyperfiniteness
Clinton Conley, Department of Mathematical Sciences, Carnegie Mellon University,

Please note that the time is PST

We introduce a "purely Borel" version of Gromov's notion of asymptotic dimension, and show how to use it to establish hyperfiniteness of various equivalence relations. Time permitting, we discuss hyperfiniteness of orbit equivalence relations of free actions of lamplighter groups. This is joint work with Jackson, Marks, Seward, and Tucker-Drob.

For more information, please contact Math Dept. by phone at 626-395-4335 or by email at A. Kechris at [email protected].