`Slow chaos' in surface flows

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• Corinna Ulcigrai, Zürich
• Monday 18 November 2019, 16:00-17:00
• CMS MR3.

If you have a question about this talk, please contact HoD Secretary, DPMMS.

Flows on surfaces describe many systems of physical origin and are one of the most fundamental examples of dynamical systems, studied since Poincaré. In the last decade, there have been a lot of advances in our understanding of the chaotic properties of smooth area-preserving flows (a class which include locally Hamiltonian flows), thanks to the connection to Teichmueller dynamics and, very recenlty, to the influence of the work of Marina Ratner in homogeneous dynamics. In the talk we will motivate and survey some of the recent breakthroughs on their mixing and spectral properties and the mechanisms, such as shearing, on which they are based, which exploit analytic, arithmetic and geometric techniques.

This talk is part of the DPMMS Departmental Colloquia series.

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