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  1. Home > Articles & Issues >
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  3. Relating Edelman-Gre ...
Conference paper

Relating Edelman-Greene insertion to the Little map

Zachary Hamaker ORCID (1), Benjamin Young (2)
(1) Department of Mathematics [Dartmouth]
(2) Department of Mathematics, University of Oregon [Eugene]
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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.12807
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https://about.hal.science/hal-authorisation-v1
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Relating Edelman-Greene insertion to the Little map

Zachary Hamaker ORCID (1), Benjamin Young (2)
(1) Department of Mathematics [Dartmouth]
(2) Department of Mathematics, University of Oregon [Eugene]
Abstract
English
The Little map and the Edelman-Greene insertion algorithm, a generalization of the Robinson-Schensted correspondence, are both used for enumerating the reduced decompositions of an element of the symmetric group. We show the Little map factors through Edelman-Greene insertion and establish new results about each map as a consequence. In particular, we resolve some conjectures of Lam and Little.
French
La correspondance de Little et l’algorithme d’Edelman-Greene généralisant la correspondance de Robinson-Schensted sont utilisés pour l’énumération des décompositions réduites associées aux éléments du groupe symétrique. Nous démontrons que la correspondance de Little peut être réduite à celle d’Edelman-Greene. En particulier, nous obtenons de nouvelle réponses à quelques conjectures de Lam et Little
Keywords
  • [INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM]
  • Young tableaux
  • reduced decompositions in the symmetric group
  • Edelman-Greene insertion
  • Lascoux-Schützenberger tree
  • Knuth moves
  • Stanley symmetric functions
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