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UID:20260514T074556EDT-4649h43Usr@132.216.98.100
DTSTAMP:20260514T114556Z
DESCRIPTION:Title: Ext algebras of subvarieties and formality theorems\n\nA
 bstract: In this talk I will present ongoing work with Alex Vitanov\, in w
 hich we use formal geometry methods and a formality theorem to try to desc
 ribe the Ext algebra of the sheaf associated with a closed embedding of sm
 ooth algebraic varieties. I will recall the case of the diagonal embedding
 \, and then explain the two main tools that we use (formality theorems and
  formal geometry\, on which no prior knowledge is assumed).\n\nLocation: U
 QAM PK-5675\n
DTSTART:20260422T180000Z
DTEND:20260422T190000Z
SUMMARY:Damien Calaque (Université de Montpellier)	
URL:https://www.mcgill.ca/mathstat/channels/event/damien-calaque-universite
 -de-montpellier-372641
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