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20232026
most citedHook-length Formulas for Skew Shapes via Contour Integrals and Vertex Models

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math.CO2026

Ehrhart positivity for lattice path matroids

Luis Ferroni, Alejandro H. Morales, Greta Panova

We prove that all lattice path matroids are Ehrhart positive. This unifies and generalizes numerous results on the Ehrhart positivity of matroids developed over the last two decade…

math.CO2026

Computation and sampling for Schubert specializations

David Anderson, Greta Panova, Leonid Petrov

We present computational results on principal specializations of Schubert polynomials, which count reduced pipe dreams and reduced bumpless pipe dreams (RBPD)…