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When is the chromatic quasisymmetric function symmetric?
Maria Gillespie, Joseph Pappe, Kyle Salois
We investigate the problem of when a chromatic quasisymmetric function (CQF) of a graph is in fact symmetric. We first prove the remarkable fact that if a product of…
math.CO2024
Higher Specht bases and -series for the cohomology rings of certain Hessenberg varieties
Kyle Salois
It is conjectured (following the Stanley-Stembridge conjecture) that the cohomology rings of regular semisimple Hessenberg varieties yield permutation representations, but the deco…