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SUMMARY:Najib Idrissi (IMJ-PRG)
DTSTART:20210315T203000Z
DTEND:20210315T213000Z
DTSTAMP:20260423T004916Z
UID:MITTop/26
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/MITTop/26/">
 Configuration spaces of surfaces</a>\nby Najib Idrissi (IMJ-PRG) as part o
 f MIT topology seminar\n\n\nAbstract\nFramed configuration spaces of a sur
 face form a right module over the framed little disks operad. This rich al
 gebraic structure has important consequences\, for example for the computa
 tions of manifold calculus or factorization homology. Determining the homo
 topy type of this operadic right module remains however a difficult task. 
 In this talk\, I will explain how to compute the rational homotopy type fo
 r oriented compact surfaces. The end result is a finite-dimensional purely
  combinatorial model. The proof involves several ingredients: Kontsevich
 ’s formality\, Tamarkin’s formality\, and the cyclic formality of the 
 framed little disks operad. (Joint work with Ricardo Campos and Thomas Wil
 lwacher.)\n
LOCATION:https://researchseminars.org/talk/MITTop/26/
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