Rost nilpotence and higher unramified cohomology
arXiv:1807.08163
Abstract
We develop an approach to proving the Rost nilpotence principle involving higher unramified cohomology. We use this to prove the principle for certain varieties of dimension over a perfect field.
18 pages; final version, to appear in Advances in Math; a previous iteration of this was mistakenly submitted as a new version of arXiv:1906.06598