Crystals and Schur P-positive Expansions
Séminaire lotharingien de combinatoire, 80B (2018)
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We give a new characterization of Littlewood-Richardson-Stembridge tableaux for Schur P-functions by using the theory of q(n)-crystals. We also give alternate proofs of the Schur P-expansion of a skew Schur function due to Ardila and Serrano, and the Schur expansion of a Schur P-function due to Stembridge using the associated crystal structures.
@article{SLC_2018_80B_a61,
author = {Seung-Il Choi and Jae-Hoon Kwon},
title = {Crystals and {Schur} {P-positive} {Expansions}},
journal = {S\'eminaire lotharingien de combinatoire},
publisher = {mathdoc},
volume = {80B},
year = {2018},
url = {http://geodesic.mathdoc.fr/item/SLC_2018_80B_a61/}
}
Seung-Il Choi; Jae-Hoon Kwon. Crystals and Schur P-positive Expansions. Séminaire lotharingien de combinatoire, 80B (2018). http://geodesic.mathdoc.fr/item/SLC_2018_80B_a61/