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PRODID:-//Memento EPFL//
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SUMMARY:Symplectic singularities and modular representation theory
DTSTART:20131209T151500
DTEND:20131209T170000
DTSTAMP:20260406T212716Z
UID:4a09635a6915faaeead4bae4846bab03a5449021202bbb25104d02a9
CATEGORIES:Conferences - Seminars
DESCRIPTION:Carl Mautner (Bonn)\nSymplectic singularities and resolutions 
 are complex algebraic varieties with close connections to representation t
 heory. Much work is currently being done to study these varieties and asso
 ciated algebras defined over the complex numbers.\nBraden-Licata-Proudfoot
 -Webster have observed that there appears to be a duality (symplectic dual
 ity) on the set of such varieties\, which manifests itself in Koszul duali
 ties of the associated C-algebras.\nI will outline a dream for associating
  to symplectic singularities a different class of algebras\, defined over 
 the integers.  I expect that symplectic duality will correspond to Ringel
  duality for these new algebras.  I will discuss the case of hypertoric v
 arieties\, for which this dream is a reality (joint work with Tom Braden)\
 , and the case of nilpotent cones (joint work with Pramod Achar).
LOCATION:MA A110 http://plan.epfl.ch/?lang=fr&room=MA+110
STATUS:CONFIRMED
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