Shuffle-Compatible Descent Statistics and Quotients of Quasisymmetric Functions
Séminaire lotharingien de combinatoire, 80B (2018)
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We study shuffle-compatible permutation statistics: permutation statistics st with the property that the distribution of st over all shuffles of two permutations π and σ is completely determined by st(π), st(σ), and the lengths of π and σ. We develop a theory of shuffle-compatibility for descent statistics---permutation statistics that depend only on the descent set and length---and its connections to P-partitions, quasisymmetric functions, and noncommutative symmetric functions.
@article{SLC_2018_80B_a4,
author = {Ira M. Gessel and Yan Zhuang},
title = {Shuffle-Compatible {Descent} {Statistics} and {Quotients} of {Quasisymmetric} {Functions}},
journal = {S\'eminaire lotharingien de combinatoire},
year = {2018},
volume = {80B},
url = {http://geodesic.mathdoc.fr/item/SLC_2018_80B_a4/}
}
Ira M. Gessel; Yan Zhuang. Shuffle-Compatible Descent Statistics and Quotients of Quasisymmetric Functions. Séminaire lotharingien de combinatoire, 80B (2018). http://geodesic.mathdoc.fr/item/SLC_2018_80B_a4/