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SUMMARY:Yael Karshon (University of Toronto)
DTSTART:20210622T160000Z
DTEND:20210622T170000Z
DTSTAMP:20260423T022626Z
UID:Geolis/48
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/Geolis/48/">
 Bott canonical basis?</a>\nby Yael Karshon (University of Toronto) as part
  of Geometria em Lisboa (IST)\n\n\nAbstract\nTogether with Jihyeon Jessie 
 Yang\, we are resurrecting an old idea of Raoul Bott for using large torus
  actions to construct canonical bases for unitary representations of compa
 ct Lie groups. Our methods are complex analytic\; we apply them to familie
 s of Bott-Samelson manifolds parametrized by C^n. Our construction require
 s the vanishing of higher cohomology of sheaves of holomorphic sections of
  certain line bundles over the total spaces of such families\; this vanish
 ing is conjectural\, hence the question mark in the title.\n
LOCATION:https://researchseminars.org/talk/Geolis/48/
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