On the relation between Nori Motives and Kontsevich Periods

Abstract

We show that the spectrum of Kontsevich's algebra of formal periods is a torsor under the motivic Galois group for mixed motives over the rational numbers. This assertion is stated without proof by Kontsevich and originally due to Nori. In a series of appendices, we also provide the necessary details on Nori's category of motives.

References in corpus (1)

• Nori-Motive und Tannaka-Theorie

Cited by in corpus (4)

• An isomorphism of motivic Galois groups
• Nori 1-motives
• Nori-Motive und Tannaka-Theorie
• Tannakian twists of quadratic forms and orthogonal Nori motives