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SUMMARY:Xiudi Tang (University of Toronto)
DTSTART:20210505T160000Z
DTEND:20210505T162500Z
DTSTAMP:20260423T024723Z
UID:JGPW2021/13
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/JGPW2021/13/
 ">Symplectic excision</a>\nby Xiudi Tang (University of Toronto) as part o
 f Junior Global Poisson Workshop II\n\n\nAbstract\nWe consider closed subs
 ets of a noncompact symplectic manifold and determine when they can be rem
 oved by a symplectomorphism\, in which case we say the subsets are symplec
 tically excisable. We prove that\, in the case of a ray and more generally
 \, the embedding of the epigraph of a lower semi-continuous function\, the
 re is a time-independent Hamiltonian flow that excises it from a noncompac
 t symplectic manifold.\n\nhttps://arxiv.org/abs/2101.03534\n
LOCATION:https://researchseminars.org/talk/JGPW2021/13/
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