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math.CO2011
Chromatic quasisymmetric functions and Hessenberg varieties
John Shareshian, Michelle L. Wachs
We discuss three distinct topics of independent interest; one in enumerative combinatorics, one in symmetric function theory, and one in algebraic geometry. The topic in enumerativ…
math.CO2011★ 5 cited
Unimodality of Eulerian quasisymmetric functions
Anthony Henderson, Michelle L. Wachs
We prove two conjectures of Shareshian and Wachs about Eulerian quasisymmetric functions and polynomials. The first states that the cycle type Eulerian quasisymmetric function $Q_{…