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SUMMARY:Leonid Polterovich (Tel Aviv University)
DTSTART:20210222T170000Z
DTEND:20210222T180000Z
DTSTAMP:20260423T041338Z
UID:TG_ET/11
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/TG_ET/11/">B
 ig fibers in symplectic topology</a>\nby Leonid Polterovich (Tel Aviv Univ
 ersity) as part of Topology and geometry: extremal and typical\n\n\nAbstra
 ct\nWe argue that existence of symplectically rigid fibers of integrable s
 ystems can be put on an equal footing with big fiber theorems from other a
 reas of mathematics such as the Centerpoint theorem from ‎combinatorics 
 and the Gromov maximal fiber theorem from topology. Our approach involves 
 a symplectic counterpart of ideal-valued measures\, and a new cohomology t
 heory by Umut Varolgüneş. Symplectic preliminaries will be explained. Th
 is is work in progress with Adi Dickstein\, Yaniv Ganor\, and Frol Zapolsk
 y.\n
LOCATION:https://researchseminars.org/talk/TG_ET/11/
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