Université de Lille

Topologie algébrique

Operads & Grothendieck-Teichmüller groups

Operads & Grothendieck-Teichmüller groups - Lecture 12: The Grothendieck-Teichmüller group is the gr

18 avril 2012
03:04:41
Nombre de vues 77
Nombre d’ajouts dans une liste de lecture 0
Nombre de favoris 0

Master degree course "Operads & Grothendieck-Teichmüller groups". Twelveth lecture: Recollections and complements on the explicit definition of the Grothendieck-Teichmüller group. §1. Classifying spaces of categories and of operads in groupoids. §2. Homotopy automorphisms of operads. Theorem: The Grothendieck-Teichmüller group is the group of homotopy automorphisms of the little 2-disc operad over Q.

Commentaire(s)