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October 2021

Nishant Chandgotia, Tata institute in India – Ergodic Theory Seminar

October 27 @ 3:00 pm - 4:00 pm

Mode: Zoom Title: About Borel and almost Borel embeddings for ZD actions Abstract:Krieger's generator theorem says that all free ergodic measure preserving actions (under natural entropy constraints) can be modelled by a full shift. Following results by Anush Tserunyan and answering a question by Benjamin Weiss, in a sequence of two papers Mike Hochman noticed that this theorem can be strengthened: He showed that all free homeomorphisms of a Polish space (under entropy constraints) can be Borel embedded into the…

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