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SUMMARY:Amar Henni (Federal University of Santa Catarina (UFSC))
DTSTART:20200722T183000Z
DTEND:20200722T200000Z
DTSTAMP:20260423T021602Z
UID:BRAG/13
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/BRAG/13/">On
  the fixed locus of framed instanton sheaves on $\\mathbb{P}^3$</a>\nby Am
 ar Henni (Federal University of Santa Catarina (UFSC)) as part of Brazilia
 n algebraic geometry seminar\n\n\nAbstract\nLet T be the three dimensional
  torus acting on $\\mathbb{P}^3$ and MT(c) be the fixed locus of the corre
 sponding action on the moduli space of rank 2 framed instanton sheaves on 
 $\\mathbb{P}^3$. We show that MT(c) consist only of non locally-free insta
 nton sheaves whose double dual is the trivial bundle. Moreover\, we relate
  these instantons to multiple structures and give a classification of thei
 r support. This allows to compute a lower bound on the number of component
 s of MT(c).\n\nLink for the google meet will be posted here a few days bef
 ore the talk.\n
LOCATION:https://researchseminars.org/talk/BRAG/13/
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