3 papers
math.CO2026
Matroid correspondence
Colin Crowley, Changxin Ding, Haoxi Hu +7
Motivated by algebraic correspondences and linear operators associated with volume and Lorentzian polynomials, we introduce matroid correspondences and their polymatroid analogues.…
math.CO2025
Computing parametric weighted Ehrhart polynomials of smooth polytopes
Daniel Hwang, Juliet Whidden, Josephine Yu
We show that when integral polytopes are deformed while keeping the same facet normal vectors, the coefficients of weighted Ehrhart and -polynomials are piecewise polynomial f…
math.CO2022
The lexicographically least square-free word with a given prefix
Siddharth Berera, Andrés Gómez-Colunga, Joey Lakerdas-Gayle +6
The lexicographically least square-free infinite word on the alphabet of non-negative integers with a given prefix is denoted . When is the empty word, this word was…