2 papers
math.AG2026
Neutral representations of finite diagonalizable group schemes and fields of moduli
Giulio Bresciani, Angelo Vistoli, Tianzhi Yang
We introduce the notion of a neutral representation of a finite group, or finite group scheme, ; a representation with the property that if a gerbe over a fiel…
math.AG2025
The geometric K-theory of quotient stacks
Francesco Sala, Laurent Schadeck, Angelo Vistoli
Given a quotient of a regular noetherian separated algebraic space over a field by an affine algebraic group having finite stabilizers (with some mild technical conditions)…