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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

Information

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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