English

The motivic fundamental group of the punctured projective line

Algebraic Geometry 2009-03-11 v1 K-Theory and Homology

Abstract

We describe a construction of an object associated to the fundamental group of the projective line minus three points in the Bloch-Kriz category of mixed Tate motives. This description involves Massey products of Steinberg symbols in the motivic cohomology of the ground field.

Keywords

Cite

@article{arxiv.0903.1705,
  title  = {The motivic fundamental group of the punctured projective line},
  author = {Bertrand J. Guillou},
  journal= {arXiv preprint arXiv:0903.1705},
  year   = {2009}
}

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37 pages