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Pieri rules for skew dual immaculate functions (2212.11297v1)
Published 21 Dec 2022 in math.CO
Abstract: In this paper we give Pieri rules for skew dual immaculate functions and their recently discovered row-strict counterparts. We establish our rules using a right-action analogue of the skew Littlewood-Richardson rule for Hopf algebras of Lam-Lauve-Sottile. We also obtain Pieri rules for row-strict (dual) immaculate functions.