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Regularizations of Birational Automorphisms

[HYBRID WORKSHOP] Connections Workshop: Complex Dynamics - from special families to natural generalizations in one and several variables February 02, 2022 - February 04, 2022

February 03, 2022 (10:00 AM PST - 10:25 AM PST)
Speaker(s): Alexandra Kuznetsova (École Polytechnique)
Location: MSRI: Online/Virtual
  • birational automorphisms

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I am going to talk about birational automorphisms and situations when they are not regularizable. I will recall several known criteria for the non-existence of a regularization. I will give an example of a birational automorphism of a threefold when all these criteria do not work. Then introduce a new criterion which implies that the example is non-regularizable for some parameters.

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