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The motivic fundamental group of the punctured projective line

Published online by Cambridge University Press:  07 April 2010

Bertrand J. Guillou
Bertrand J. Guillou
Affiliation:
Department of Mathematics, University of Illinois at Urbana-Champaign, 1409 W. Green Street, Urbana, IL 61801, U.S.A, bertg@illinois.edu
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Abstract

We describe a construction of an object associated to the fundamental group of ℙ1 − {0, 1, ∞} in the Bloch-Kriz category of mixed Tate motives. This description involves Massey products in the motivic cohomology of the ground field.

Keywords

Motive π1mixed Tate motive
Type
Research Article
Information
Journal of K-Theory , Volume 7 , Issue 1 , February 2011 , pp. 19 - 53
Copyright
Copyright © ISOPP 2010

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