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PRODID:-//Memento EPFL//
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SUMMARY: A tale of two compactifications
DTSTART:20130508T141500
DTEND:20130508T160000
DTSTAMP:20260408T071120Z
UID:84442ae24e09a0fb047b4d28a348dd6f519fd2d1d4bcb5f11d40c9b1
CATEGORIES:Conferences - Seminars
DESCRIPTION:Michael Thaddeus\, Columbia University\, visiting EPFL\nWe wil
 l examine two compactifications of reductive groups with\nvery attractive 
 properties\, namely the wonderful compactification of\nPGL(n\,C) and the K
 ausz compactification of GL(n\,C).  We will explore their\nconnections to
  each other and to moduli problems in several corners of\nmathematics: spa
 ces of broken flows in Morse theory\, spaces of stable maps\nto Grassmanni
 ans\, and spaces of coherent sheaves on singular Riemann\nsurfaces.  Then
  we will see how parts of this circle of ideas have been\ngeneralized\, in
  joint work with Johan Martens\, to arbitrary reductive\ngroups.
LOCATION:CM09  http://plan.epfl.ch/?zoom=20&recenter_y=5864183.35306&recen
 ter_x=730928.59101&layerNodes=fonds\,batiments\,labels\,events_surface\,ev
 ents_line\,events_label\,information\,parkings_publics\,arrets_metro\,even
 em
STATUS:CONFIRMED
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