Algebraic topology

Operads & Grothendieck-Teichmüller groups - Lecture 11: The Grothendieck-Teichmüller group GT(Q)

April 11, 2012
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Master degree course "Operads & Grothendieck-Teichmüller groups". Eleventh lecture: §1. The operad of parenthesized braids. §2. The definition of the Grothentendieck-Teichmüller group GT(Q) as the automorphism group associated with the Malcev completion of the parenthesized braid operad, and the explicit definition.

Tags: grothendieck-teichmuller operads