Communications in Number Theory and Physics
Volume 11 (2017)
Feynman amplitudes, coaction principle, and cosmic Galois group
Pages: 453 – 556
The first part of a set of notes based on lectures given at the IHES in May 2015 on Feynman amplitudes and motivic periods.
Paper received on 28 March 2016.
Paper accepted on 2 May 2017.