2 papers
math.AG2025
On a formula for the equivariant Euler characteristic of a -sheaf
Qiangru Kuang, Francesco Sala
H. Fischbacher-Weitz and B. Köck computed the equivariant Euler characteristic of a sheaf on a -curve over a field. Using a form of the Riemann-Roch theorem for quotien…
math.AG2025
Stringy Chow rings and weighted blow ups
Qiangru Kuang, Yeqin Liu, Rachel Webb +1
We compute the stringy chow ring of a general Deligne-Mumford stack of the form [X/G] for a smooth variety X and diagonalizable group scheme G, working over a base field that is no…