Hermitian $K$-theory and Milnor-Witt motivic cohomology over $\mathbb{Z}$

Håkon Kolderup, Oliver Röndigs, Paul Arne Østvær

The theme of this paper is to compute hermitian $K$-groups in terms of the recently developed theory of Milnor-Witt motivic cohomology. Our approach makes use of the very effective…