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  1. Home > Articles & Issues >
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  3. Generating trees for ...
Conference paper

Generating trees for partitions and permutations with no k-nestings

Sophie Burrill (1), Sergi Elizalde ORCID (2), Marni Mishna (1), Lily Yen (1) (3)
(1) Department of Mathematics [Burnaby]
(2) Department of Mathematics [Dartmouth]
(3) Department of Mathematics and Statistics [Capilano]
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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.3050
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https://about.hal.science/hal-authorisation-v1
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Generating trees for partitions and permutations with no k-nestings

Sophie Burrill (1), Sergi Elizalde ORCID (2), Marni Mishna (1), Lily Yen (1) (3)
(1) Department of Mathematics [Burnaby]
(2) Department of Mathematics [Dartmouth]
(3) Department of Mathematics and Statistics [Capilano]
Abstract
English
We describe a generating tree approach to the enumeration and exhaustive generation of k-nonnesting set partitions and permutations. Unlike previous work in the literature using the connections of these objects to Young tableaux and restricted lattice walks, our approach deals directly with partition and permutation diagrams. We provide explicit functional equations for the generating functions, with k as a parameter.
French
Nous décrivons une approche, basée sur l'utilisation d'arbres de génération, pour énumération et la génération exhaustive de partitions et permutations sans k-emboîtement. Contrairement aux travaux antérieurs qui reposent sur un lien entre ces objets, tableaux de Young et familles de chemins dans des treillis, notre approche traite directement partitions et diagrammes de permutations. Nous fournissons des équations fonctionnelles explicites pour les séries génératrices, avec k en tant que paramètre.
Keywords
  • [INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM]
  • nonnesting
  • partition
  • permutation
  • generating tree
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