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X-FROM-URL:https://eom.sdu.dk/events/ical/a78f4d27-e172-42d3-a7d6-c2857e22
 11a3
X-WR-CALNAME:QM Research Seminar: Gauged linear sigma model and infinitude
  of Hamiltonian periodic orbits
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TZID:Europe/Copenhagen
X-LIC-LOCATION:Europe/Copenhagen
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DTSTAMP:20260720T025716Z
DTSTART:20261028T030000
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DTSTAMP:20260720T025716Z
DTSTART:20260325T020000
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DESCRIPTION:[b]Speaker: Shaoyun Bai[/b] (Columbia University) [nl][nl]\n[b
 ]Abstract:[/b][nl]\nTake an irrational rotation of the two-sphere\; it on
 ly has the north and south poles as its periodic points. However\, Franks
  proved that for any area-preserving diffeomorphism of the two-sphere\, i
 f it has more than two fixed points\, then it must have infinitely many p
 eriodic points. I will discuss a generalization with Guangbo Xu of this r
 esult to all compact toric manifolds\, for which GLSM plays a surprising 
 role.\n[nl]\n[nl]
DTEND:20240222T150000Z
DTSTAMP:20260720T025716Z
DTSTART:20240222T140000Z
LOCATION:Syddansk Universitet\, Campusvej 55\, 5230\, Odense M
SEQUENCE:0
SUMMARY:QM Research Seminar: Gauged linear sigma model and infinitude of H
 amiltonian periodic orbits
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