Dynamical Systems Seminar - Dept of Mathematics, University of Houston

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Lewis Bowen
University of Hawaii at Manoa

A new isomorphism invariant for actions of free groups

March 28, 3pm; 646 PGH

Abstract

The invariant of the title can be used to completely classify Bernoulli shifts over free groups. This answers a question of Ornstein and Weiss. The new invariant is related to the classical Kolmogorov-Sinai entropy for automorphisms of a Lebesgue space.

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