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SUMMARY:Periodic orbits of exact magnetic flows on surfaces
DTSTART:20140513T161500
DTEND:20140513T171500
DTSTAMP:20260928T184341Z
UID:7e9b7f9aaa786e4acda0b022bd4e3fee229738f35006b9e9498455f8
CATEGORIES:Conferences - Seminars
DESCRIPTION:Marco Mazzucchelli (ENS Lyon)\nGeometry and Dynamics SeminarAb
 stract: This talk is about periodic obits of exact magnetic flows on the c
 otangent bundle of closed surfaces. The dynamics of these Hamiltonian syst
 ems on high energy levels is well known: it is conjugated to a Reeb flow\,
  and actually to a Finsler geodesic flow. In this talk\, I will focus on l
 ow energies\, more precisely on energies below the so-called Mañé critic
 al value of the universal covering. After introducing the setting\, I will
  present a recent result asserting the existence of infinitely many period
 ic orbits on almost all energy levels in this range. This is a joint work 
 with A. Abbondandolo\, L. Macarini\, and G. P. Paternain.
LOCATION:MA A3 31
STATUS:CONFIRMED
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