Tate motives and the fundamental group

arXiv0708.4034MaRDI QIDQ6206623

Publication date: 29 August 2007

Abstract: Let k be a number field, and let S be a finite set of k-rational points of P^1. We relate the Deligne-Goncharov contruction of the motivic fundamental group of X:=P^1_k- S to the Tannaka group scheme of the category of mixed Tate motives over X.

Mathematics Subject Classification ID

Algebraic cycles (14C25) Algebraic cycles and motivic cohomology ((K)-theoretic aspects) (19E15)

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