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)

Type:
Courses

Main language:
French

Disciplines:
Mathematics

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