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SUMMARY:Dusa McDuff (Columbia University)
DTSTART:20210112T170000Z
DTEND:20210112T180000Z
DTSTAMP:20260423T022621Z
UID:Geolis/28
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/Geolis/28/">
 Counting curves and stabilized symplectic embedding conjecture</a>\nby Dus
 a McDuff (Columbia University) as part of Geometria em Lisboa (IST)\n\n\nA
 bstract\nThis is a report on joint work with Kyler Siegel that develops ne
 w ways to count $J$-holomorphic curves in $4$-dimensions\, both in the pro
 jective plane with multi-branched tangency constraints\, and in noncompact
  cobordisms between ellipsoids. These curves stabilize\, i.e. if they exis
 t in a given four dimensional target manifold $X$ they still exist in the 
 product $X \\times {\\mathbb R}^{2k}$. This allows us to establish new cas
 es of the stabilized embedding conjecture for symplectic embeddings of an 
 ellipsoid into a ball (or ellipsoid).\n
LOCATION:https://researchseminars.org/talk/Geolis/28/
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