David Anderson

collaborators

2 papers

math.AG2026

On Chow and Picard groups of Richardson varieties

David Anderson, Sam Payne

We show that if $Π \subseteq G / P$ is a projected Richardson variety, then the degree map $Pic (Π) \to A_{1} (Π)^{\lor}$ is injective. Moreover, it is an isomorphism in characteri…

math.CO2026

Computation and sampling for Schubert specializations

David Anderson, Greta Panova, Leonid Petrov

We present computational results on principal specializations $S_{w} (1^{n})$ of Schubert polynomials, which count reduced pipe dreams and reduced bumpless pipe dreams (RBPD)…