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SUMMARY:Michael Entov (Technion)
DTSTART:20200422T111000Z
DTEND:20200422T123000Z
DTSTAMP:20260423T004913Z
UID:GDS/1
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/GDS/1/">Rigi
 dity of Lagrangian tori in K3 surfaces</a>\nby Michael Entov (Technion) as
  part of Geometry and Dynamics seminar\n\n\nAbstract\nA Kahler-type form i
 s a symplectic form compatible with an integrable \ncomplex structure. She
 ridan and Smith previously proved\, using deep \nmethods of homological mi
 rror symmetry\, that for any Maslov-zero \nLagrangian torus L in a K3 surf
 ace M equipped with a Kahler-type \nform of a *particular kind*\, the inte
 gral homology class of L has \nto be non-zero and primitive. I will discus
 s how to extend this \nresult to *arbitrary* Kahler-type forms on M using 
 dynamical \nproperties of the action of the diffeomorphism group of M on t
 he \nspace of such forms. These dynamical properties are obtained using \n
 a version of Ratner's theorem. This is a joint work in progress \nwith M.V
 erbitsky.\n
LOCATION:https://researchseminars.org/talk/GDS/1/
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