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math.CO2025
A Pollak Proof for the Number of Weakly Increasing Parking Functions
Pamela E. Harris, J. Carlos Martínez Mori, Alexander N. Wilson
We develop a circular-street argument, in the style of Pollak, to obtain a new proof that there are weakly increasing parking functions of length…
math.RT2025
Kronecker Coefficients, Crystals, and Bitableaux
Nate Harman, Alexander N. Wilson
What might a combinatorial interpretation of the Kronecker coefficients even look like? We introduce a class of combinatorial objects called bitableaux, which we believe are a natu…