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UID:9076@i2m.univ-amu.fr
DTSTART;TZID=Europe/Paris:20260428T140000
DTEND;TZID=Europe/Paris:20260428T150000
DTSTAMP:20260422T112815Z
URL:https://www.i2m.univ-amu.fr/evenements/tba-293/
SUMMARY:Thiago Landim (Sorbonne Université): Reduced integral motives and 
 the Springer correspondence
DESCRIPTION:Thiago Landim: Let G be a complex reductive group. In 1976\, Sp
 ringer described an embedding of the category of complex representations o
 f the Weyl group of G into the category of G-equivariant perverse sheaves 
 on the nilpotent cone of G. Recently\, there were generalizations of such 
 an embedding in two directions. First\, Rider obtained a derived embedding
 \, replacing the Weyl group by a degeneration of Lusztig's graded Hecke al
 gebra. Second\, Achar\, Henderson\, Juteau and Riche obtained the abelian 
 embedding for representations over an arbitrary regular commutative ring. 
 In this talk\, we will explain how to find a common generalization of both
  results\, using the theory of reduced motivic sheaves.
CATEGORIES:Séminaire,AGLR,Représentations des Groupes Réductifs
LOCATION:I2M Luminy - TPR2\, Salle de Séminaire 304-306 (3ème étage)\, 1
 63 Avenue de Luminy\, Marseille\, 13009\, France
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=163 Avenue de Luminy\, Mars
 eille\, 13009\, France;X-APPLE-RADIUS=100;X-TITLE=I2M Luminy - TPR2\, Sall
 e de Séminaire 304-306 (3ème étage):geo:0,0
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DTSTART:20260329T030000
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