Algebraic topology
Operads & Grothendieck-Teichmüller groups - Lecture 12: The Grothendieck-Teichmüller group is the gr [April 18, 2012]
Summary
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.
Infos
Added by:
Benoit Fresse
Updated on:
April 20, 2012, midnight
Duration:
03:04:41
Channel:
Algebraic topology
Number of view:
51 (Show details views)