Showing 2019 · math.AGShow all
2 papers · 2 filters
math.AG2019
-Local Degree via Stacks
Andrew Kobin, Libby Taylor
We extend results of Kass--Wickelgren to define an Euler class for a non-orientable (or non-relatively orientable) vector bundle on a smooth scheme, valued in the Grothendieck--Wit…
math.AG2019
Artin-Schreier Root Stacks
Andrew Kobin
We classify stacky curves in characteristic with cyclic stabilizers of order using higher ramification data. This approach replaces the local root stack structure of a…