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SUMMARY:Yukinobu Toda (Kavli IPMU\, Tokyo\, Japan)
DTSTART:20201105T120000Z
DTEND:20201105T130000Z
DTSTAMP:20260423T005847Z
UID:LAGOON/21
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/LAGOON/21/">
 On d-critical birational geometry and categorical DT theories</a>\nby Yuki
 nobu Toda (Kavli IPMU\, Tokyo\, Japan) as part of Longitudinal Algebra and
  Geometry Open ONline Seminar (LAGOON)\n\n\nAbstract\nIn this talk\, I wil
 l explain an idea of analogue of birational geometry for \nJoyce's d-criti
 cal loci\, and categorical Donaldson-Thomas theories  \non Calabi-Yau 3-fo
 lds. The motivations of this framework include \ncategorifications of wall
 -crossing formulas of DT invariants and also \na d-critical analogue of D/
 K conjecture in birational geometry. \nThe main result is to realize the a
 bove story for local surfaces. \nI will show the window theorem for catego
 rical DT theories on local surfaces\nand apply it to categorify wall-cross
 ing invariance of genus zero GV invariants\, \nMNOP/PT correspondence\, et
 c.\n
LOCATION:https://researchseminars.org/talk/LAGOON/21/
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