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  1. Home > Articles & Issues >
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  3. Non-commutative Frob ...
Conference paper

Non-commutative Frobenius characteristic of generalized parking functions: Application to enumeration

Jean-Baptiste Priez (1), Aladin Virmaux (1)
(1) Laboratoire de Recherche en Informatique
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Imported on
November 21, 2016
Published on
December 31, 2014
Last modified on
March 31, 2025
Volume
DMTCS Proceedings, 27th International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2015)
Proceedings
DOI
10.46298/dmtcs.2504
License
Attribution 4.0 International (CC BY 4.0)
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Non-commutative Frobenius characteristic of generalized parking functions: Application to enumeration

Jean-Baptiste Priez (1), Aladin Virmaux (1)
(1) Laboratoire de Recherche en Informatique
Abstract
English
We give a recursive definition of generalized parking functions that allows them to be viewed as a species. From there we compute a non-commutative characteristic of the generalized parking function module and deduce some enumeration formulas of structures and isomorphism types. We give as well an interpretation in several bases of non commutative symmetric functions. Finally, we investigate an inclusion-exclusion formula given by Kung and Yan.
French
Nous donnons une définition récursive des fonctions de parking généralisées nous permettant de munir ces dernières d’une structure d’espèce. Nous utilisons ce point de vu pour donner une caractéristique de Frobenius non-commutative du module des fonctions de parking généralisées que nous appliquons afin de donner de nombreuses formules d’énumération de structures et de type d’isomorphismes, ainsi qu’une interprétation dans plusieurs bases des fonctions symétriques non commutatives. Enfin, nousétudions une formule d’inclusion-exclusion provenant de Kung et Yan.
Keywords
  • [INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM]
  • parking function
  • species
  • non-commutative symmetric functions
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