2017/12/21 by Jack Hall, David Rydh
Mathematics · #math.AG #msc:14A20 #msc:14F20
paper · pdf · doi:10.1016/j.jalgebra.2017.11.027
published as J. Algebra 498 (2018), 398-412 · 12 pages; addendum to arXiv:1005.2171
arxiv created 2017/12/21 · arxiv updated 2019/05/07
Using Nisnevich coverings and a Hilbert stack of stacky points, we prove étale dévissage results for non-representable étale and quasi-finite flat coverings. We give applications to absolute noetherian approximation of algebraic stacks and compact generation of derived categories.