Tate motives and the fundamental group
Algebraic Geometry
2007-08-31 v1 K-Theory and Homology
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.
Keywords
Cite
@article{arxiv.0708.4034,
title = {Tate motives and the fundamental group},
author = {Hélène Esnault and Marc Levine},
journal= {arXiv preprint arXiv:0708.4034},
year = {2007}
}