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SUMMARY:"Smooth projective curves and infinite dimensional Lie algebras"
DTSTART:20160509T161500
DTEND:20160509T171500
DTSTAMP:20260415T024155Z
UID:a75b7399955834aec7d403a7c46cbae7ef864b860feca5ae5487df54
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Olivier Schiffmann (CNRS Univ. Paris-Sud and Ecole Polyt
 echnique)\nWe know since the work of Cartan that complexe semi-simple Lie 
 algebras are classified by some finite graphs (their Dynkin diagrams)\; th
 e theory of Kac-Moody algebras associate to almost any graph a (usually in
 finite dimensional) lie algebra.\nWe will explain how to associate an (inf
 inite dimensional) Lie algebra to a smooth projective curve and how its st
 ructure is related to some geometric counting problems: indecomposable vec
 tor bundles\, cohomology on moduli spaces of connections on the curve\, Hi
 ggs bundle\, etc…\nIf time permits we will mention the link with the alg
 ebras introduced recently by Maulik  and Okounkov.
LOCATION:MA B1 11 http://plan.epfl.ch/?request_locale=fr&room=ma+b1+11&dom
 ain=places
STATUS:CONFIRMED
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