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  1. Home > Articles & Issues >
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  3. Unital versions of t ...
Conference paper

Unital versions of the higher order peak algebras

Marcelo Aguiar (1), Jean-Christophe Novelli (2), Jean-Yves Thibon ORCID (2)
(1) Department of Mathematics [Texas]
(2) Laboratoire d'Informatique Gaspard-Monge
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Imported on
January 31, 2017
Published on
December 31, 2008
Last modified on
March 31, 2025
Volume
DMTCS Proceedings vol. AK, 21st International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2009)
Proceedings
DOI
10.46298/dmtcs.2729
License
https://about.hal.science/hal-authorisation-v1
Algebra and Combinatorics of Free Structures
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Unital versions of the higher order peak algebras

Marcelo Aguiar (1), Jean-Christophe Novelli (2), Jean-Yves Thibon ORCID (2)
(1) Department of Mathematics [Texas]
(2) Laboratoire d'Informatique Gaspard-Monge
Abstract
English
We construct unital extensions of the higher order peak algebras defined by Krob and the third author in [Ann. Comb. 9 (2005), 411―430], and show that they can be obtained as homomorphic images of certain subalgebras of the Mantaci-Reutenauer algebras of type $B$. This generalizes a result of Bergeron, Nyman and the first author [Trans. AMS 356 (2004), 2781―2824].
French
Nous construisons des extensions unitaires des algèbres de pics d'ordre supérieur définies par Krob et le troisième auteur dans [Ann. Comb. 9 (2005), 411―430], et nous montrons qu'elles peuvent être obtenues comme images homomorphes de certaines sous-algèbres des algèbres de Mantaci-Reutenauer de type $B$. Ceci généralise un résultat dû à Bergeron, Nyman et au premier auteur [Trans. AMS 356 (2004), 2781―2824].
Keywords
  • [MATH.MATH-CO]Mathematics [math]/Combinatorics [math.CO]
  • [INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM]
  • Descent algebras
  • Noncommutative symmetric functions
  • Peak algebras
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