3 papers
math.AG2021
Stack of -covers
Fabio Tonini
The aim of this paper is to study the geometry of the stack of -covers. We show that it has two irreducible components and meeting in…
math.AG2020
Stacks of fiber functors and Tannaka's reconstruction
Fabio Tonini
Given a quasi-compact category fibered in groupoids and a monoidal subcategory of its category of locally free sheaves , we ar…
math.AG2017
Essentially Finite Vector Bundles on Normal Pseudo-proper Algebraic Stacks
Fabio Tonini, Lei Zhang
Let be a normal, connected and projective variety over an algebraically closed field . It is known that a vector bundle on is essentially finite if and only if it is…