On homology of linear groups over k[t]
arXiv:1011.5110
Abstract
This note explains how to prove that for any simply-connected reductive group G and any infinite field k, the inclusion of k in k[t] induces an isomorphism on homology. This generalizes results of Soule and Knudson.
11 pages, removed application to degree 3 case of Friedlander-Milnor conjecture again, the one-variable case does not suffice even for degree 3