2 papers
math.AG2019
Maximal models of torsors over a local field
Yuliang Huang
Let be a discrete valuation ring, and its fraction field. In 1967, Raynaud initiated the notion of maximal -model for torsors over , and it was further developed by L…
math.AG2019
Unramified F-divided objects and the étale fundamental pro-groupoid in positive characteristic
Yuliang Huang, Giulio Orecchia, Matthieu Romagny
Fix a scheme of characteristic . Let be an -algebraic stack and let $\mbox{Fdiv}(\mathscr{M})$ be the stack of $\mbox{F}$-divided objects, that is sequences…