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14.04.2019
“Billiards in polygons”

“Billiards in polygons”

John Smillie (Warwick University)

Chebyshev Laboratory Colloquium

Thursday April 18 17:15 room 105 (14-th line V.I., 29)

Abstract

It is a tradition in the field of dynamical systems to illustrate ideas by applying them to the question of dynamics of billiard orbits in planar billiard tables. In this talk I will show how methods inspired by renormalisation can be used to analyse billiard orbits in polygonal tables. I will consider some simple examples in detail and then suggest how some of the relevant ideas are being used in the field of Teichmüller dynamics.