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SUMMARY:Cheuk Yu Mak (University of Edinburgh)
DTSTART:20210203T210000Z
DTEND:20210203T220000Z
DTSTAMP:20260414T173353Z
UID:BUGeom/22
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/BUGeom/22/">
 Non-displaceable Lagrangian links in four-manifolds</a>\nby Cheuk Yu Mak (
 University of Edinburgh) as part of Boston University Geometry/Physics Sem
 inar\n\nLecture held in Zoom meeting ID: 974 5641 9902.\n\nAbstract\nOne o
 f the earliest fundamental applications of Lagrangian Floer theory is dete
 cting the non-displaceablity of a Lagrangian submanifold.  Many progress a
 nd generalisations have been made since then but little is known when the 
 Lagrangian submanifold is disconnected.  In this talk\, we describe a new 
 idea to address this problem.  Subsequently\, we explain how to use Fukaya
 -Oh-Ohta-Ono and Cho-Poddar theory to show that for every S^2 \\times S^2 
 with a non-monotone product symplectic form\, there is a continuum of disc
 onnected\, non-displaceable Lagrangian submanifolds such that each connect
 ed component is displaceable.  This is a joint work with Ivan Smith.\n
LOCATION:https://researchseminars.org/talk/BUGeom/22/
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