An introduction to Grothendieck-Teichmüller theory
MIT, November 5-9, 2012

Lecture 1A , Geometric Galois Actions

Lecture 1B , The Grothendieck-Teichmüller Group

Lecture 2A , The graded Grothendieck-Teichmüller Lie algebra

Lecture 2B , Multiple zeta values

Lecture 3A , Braided tensor categories and geometry

Lecture 3B , Grothendieck-Teichmüller theory in higher genus

Lecture 4A , The ``absolute Galois'' Lie algebra, the Kashiwara-Vergne Lie algebra, mixed Tate motives, and motivic multizeta values

Lecture 4B , Motivic multizeta values and Brown's theorem