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SUMMARY:Christian Pauly (Université de Nice Sophia-Antipolis)
DTSTART:20220405T150000Z
DTEND:20220405T160000Z
DTSTAMP:20260423T022624Z
UID:Geolis/79
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/Geolis/79/">
 On very stable bundles</a>\nby Christian Pauly (Université de Nice Sophia
 -Antipolis) as part of Geometria em Lisboa (IST)\n\n\nAbstract\nA very sta
 ble vector bundle over a curve is a vector bundle having no non-zero nilpo
 tent Higgs fields. They were introduced by Drinfeld and studied by Laumon 
 in connection with the nilpotent cone of the Hitchin system. According to 
 Drinfeld non-very stable bundles\, also called wobbly bundles\, form a div
 isor in the moduli space of vector bundles. In this talk I will try to exp
 lain the motivations for studying the properties of wobbly divisors\, with
  a special focus on the rank-2 (joint work with S. Pal) and rank-3 case (j
 oint work with A. Peon-Nieto).\n
LOCATION:https://researchseminars.org/talk/Geolis/79/
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