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math.CO2015
Quasisymmetric and noncommutative skew Pieri rules
Vasu Tewari, Stephanie van Willigenburg
In this note we derive skew Pieri rules in the spirit of Assaf-McNamara for skew quasisymmetric Schur functions using the Hopf algebraic techniques of Lam-Lauve-Sottile, and recove…
math.CO2015★ 5 cited
Chromatic bases for symmetric functions
Soojin Cho, Stephanie van Willigenburg
In this note we obtain numerous new bases for the algebra of symmetric functions whose generators are chromatic symmetric functions. More precisely, if is a…