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SUMMARY:Corinna Ulcigrai (University of Zürich)
DTSTART:20200527T140000Z
DTEND:20200527T150000Z
DTSTAMP:20260422T225753Z
UID:Women-in-Math/1
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/Women-in-Mat
 h/1/">"Slow chaos": understanding dynamics of parabolic systems</a>\nby Co
 rinna Ulcigrai (University of Zürich) as part of Webmeeting - Women in M
 athematics\n\n\nAbstract\nMany deterministic systems\, in mathematical mod
 els and in nature\, exhibit "chaotic behaviour": a well known feature of c
 haos is the butterfly effect: a small variation of initial conditions may 
 lead to drastically different future evolutions. This talk will focus on p
 arabolic systems\, those for which the "butterfly effect" happens "slowly"
  (e.g. at polynomial speed). These include many systems coming from physic
 s (such as the Ehrenfest and Novikov models of metals)\, (smooth) flows on
  surfaces and billiards in (rational) polygons. We will survey some of the
  mathematical characterization of chaotic features and some of the mechani
 sms for "slow" chaos in these systems\, including recent work inspired by 
 the ideas of Marina Ratner.\n\nZoom information at  http://www.dinamicas.i
 m.ufrj.br/celebrating-women-in-math/\n
LOCATION:https://researchseminars.org/talk/Women-in-Math/1/
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