3 papers
math.RT2025
Weyl-invariant subspaces are (usually) not generic
Riku Kurama, Ruoxi Li, Henry Talbott +1
Let be a linear representation of a connected complex reductive group . Given a choice of character of , Geometric Invariant Theory defines a locus $V^{ss}_θ(G) \subs…
math.AG2024
Ample vector bundles and moduli of tame stacks
Daniel Bragg, Martin Olsson, Rachel Webb
We explain how to define an embedding of a tame stack over a noetherian ring into a certain generalization of a weighted projective stack using a notion of ample vector bundle on t…
math.AG2022
Subtleties of Quantum Lefshetz without Convexity
Nawaz Sultani, Rachel Webb
Let be a complete intersection in a GIT quotient cut out by a -representation . We show that the -twisted quasima…