2 papers
math.AG2025
The -Euler characteristic of symmetric powers
Louisa F. Bröring, Jesse Pajwani, Anna M. Viergever
The -Euler characteristic is a refinement in algebraic geometry of the classical topological Euler characteristic, which can be constructed using motivic homotopy the…
math.AG2025
Quadratic Donaldson-Thomas invariants for and some other smooth proper toric threefolds
Marc Levine, Anna M. Viergever
Using virtual localization in Witt sheaf cohomology, we show that the generating series of quadratic Donaldson-Thomas invariants of , valued in the Witt ring of $…