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  1. Home > Articles & Issues >
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  3. Noncommutative symme ...
Conference paper

Noncommutative symmetric functions with matrix parameters

Alain Lascoux (1), Jean-Christophe Novelli (1), Jean-Yves Thibon ORCID (1)
(1) Laboratoire d'Informatique Gaspard-Monge
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Imported on
January 31, 2017
Published on
December 31, 2011
Last modified on
March 31, 2025
Volume
DMTCS Proceedings vol. AR, 24th International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2012)
Proceedings
DOI
10.46298/dmtcs.3059
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https://about.hal.science/hal-authorisation-v1
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Noncommutative symmetric functions with matrix parameters

Alain Lascoux (1), Jean-Christophe Novelli (1), Jean-Yves Thibon ORCID (1)
(1) Laboratoire d'Informatique Gaspard-Monge
Abstract
English
We define new families of noncommutative symmetric functions and quasi-symmetric functions depending on two matrices of parameters, and more generally on parameters associated with paths in a binary tree. Appropriate specializations of both matrices then give back the two-vector families of Hivert, Lascoux, and Thibon and the noncommutative Macdonald functions of Bergeron and Zabrocki.
French
Nous définissons de nouvelles familles de fonctions symétriques non-commutatives et de fonctions quasi-symétriques, dépendant de deux matrices de paramètres, et plus généralement, de paramètres associés à des chemins dans un arbre binaire. Pour des spécialisations appropriées, on retrouve les familles à deux vecteurs de Hivert-Lascoux-Thibon et les fonctions de Macdonald non-commutatives de Bergeron-Zabrocki.
Keywords
  • [INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM]
  • Noncommutative symmetric functions
  • Quasi-symmetric functions
  • Macdonald polynomials
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