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Elliptic Grothendieck-Teichmueller theory

Schneps, LC (Institut de Mathématiques de Jussieu)
Friday 12 April 2013, 09:30-10:30

Seminar Room 1, Newton Institute


I'll talk about the definition by Benjamin Enriquez of an elliptic (genus one) version of the Grothendieck-Teichmueller Lie algebra grt. I will compare it to the work of Hain, Matsumoto and Pollack on the fundamental Lie algebra of the category of elliptic mixed Tate motives. I will define conjectural analogous elliptic double shuffle and Kashiwara-Vergne Lie algebras. Finally, I will discuss a structure conjecture that emerges from work of Pollack, and prove the first case of it.


[pdf ]


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