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math.CO2024
Revisiting Dice Relabeling using Cyclotomic Polynomials
Yikai Chao, Josh Gabel, Carlye Larson +1
We continue the exploration of a question of dice relabeling posed by Gallian and Rusin: Given dice, each labeled 1 through , how many ways are there to relabel the dice wit…
math.CO2024
Transversal Positroids
John Machacek, George D. Nasr
We exhibit three infinite families of positroids that are transversal matroids. The first comes from a subclass of Postnikov's Le-diagrams that we call Sq-diagrams. Our other two f…