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math.CO2022
Smooth permutations and polynomials revisited
Ofir Gorodetsky
We study the counts of smooth permutations and smooth polynomials over finite fields. For both counts we prove an estimate with an error term that matches the error term found in t…
math.CO2021★ 2 cited
Magic squares, the symmetric group and Möbius randomness
Ofir Gorodetsky
Diaconis and Gamburd computed moments of secular coefficients in the CUE ensemble. We use the characteristic map to give a new combinatorial proof of their result. We also extend t…