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SUMMARY:Vikraman Balaji (Chennai Mathematical Institute)
DTSTART:20211115T113000Z
DTEND:20211115T133000Z
DTSTAMP:20260404T120323Z
UID:LSAGIITM/1
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/LSAGIITM/1/"
 >Bruhat-Tits group scheme and parahoric torsor-2</a>\nby Vikraman Balaji (
 Chennai Mathematical Institute) as part of Algebraic Geometry at IIT Madra
 s\n\n\nAbstract\nThe aim of these lectures will be to introduce the notion
  of affine buildings and the notions of parahoric groups. The next aim wil
 l be to schematize these notions and get an overview of the structure of t
 he Bruhat-Tits group schemes over discrete valuation rings. I will work en
 tirely on the geometric case of the power series ring in one variable and 
 the valuation ring there. In the last few lectures I will indicate applica
 tions of these concepts to the study of torsors on curves. The goal will b
 e to understand the stack of parahoric torsors on smooth projective curves
 \, relate them to the classical stack of parabolic bundles and prove a par
 ahoric generalization of the Mehta-Seshadri theorem.\n
LOCATION:https://researchseminars.org/talk/LSAGIITM/1/
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