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  1. Home > Articles & Issues >
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  3. Immaculate basis of ...
Conference paper

Immaculate basis of the non-commutative symmetric functions

Chris Berg (1), Nantel Bergeron (2), Franco Saliola (1), Luis Serrano ORCID (1), Mike Zabrocki (3) (2)
(1) Laboratoire de combinatoire et d'informatique mathématique [Montréal]
(2) Department of Mathematics and Statistics [Toronto]
(3) Fields Institute for Research In Mathematical Sciences
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Imported on
November 20, 2016
Published on
December 31, 2012
Last modified on
April 1, 2025
Volume
DMTCS Proceedings vol. AS, 25th International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2013)
Proceedings
DOI
10.46298/dmtcs.12810
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https://about.hal.science/hal-authorisation-v1
Natural Sciences and Engineering Research Council of Canada
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Immaculate basis of the non-commutative symmetric functions

Chris Berg (1), Nantel Bergeron (2), Franco Saliola (1), Luis Serrano ORCID (1), Mike Zabrocki (3) (2)
(1) Laboratoire de combinatoire et d'informatique mathématique [Montréal]
(2) Department of Mathematics and Statistics [Toronto]
(3) Fields Institute for Research In Mathematical Sciences
Abstract
English
We introduce a new basis of the non-commutative symmetric functions whose elements have Schur functions as their commutative images. Dually, we build a basis of the quasi-symmetric functions which expand positively in the fundamental quasi-symmetric functions and decompose Schur functions according to a signed combinatorial formula.
French
Nous introduisons une nouvelle base des fonctions syméetriques non commutatives dont les images commutatives sont des fonctions de Schur. Nous construisons la base duale des fonctions quasi-symétriques qui s’expriment de façon positive en fonction de la base fondamentale et décomposent les fonctions de Schur.
Keywords
  • [INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM]
  • non-commutative symmetric functions
  • quasi-symmetric functions
  • tableaux
  • Schur functions
Cited by

Source: OpenCitations

  • The Pieri Rule for Dual Immaculate Quasi-Symmetric Functions

    arXiv (Cornell University)

    Authors : Nantel Bergeron, Juana Sánchez-Ortega, Mike Zabrocki

    Journal reference : Volume 20, 2016, pp. 283-300

    DOI : 10.1007/s00026-016-0303-3
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