Zachary Hamaker ; Benjamin Young - Relating Edelman-Greene insertion to the Little map

dmtcs:12807 - Discrete Mathematics & Theoretical Computer Science, January 1, 2013, DMTCS Proceedings vol. AS, 25th International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2013) - https://doi.org/10.46298/dmtcs.12807
Relating Edelman-Greene insertion to the Little mapConference paper

Authors: Zachary Hamaker ORCID1; Benjamin Young 2

  • 1 Department of Mathematics [Dartmouth]
  • 2 Department of Mathematics, University of Oregon [Eugene]

[en]
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.

[fr]
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


Volume: DMTCS Proceedings vol. AS, 25th International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2013)
Section: Proceedings
Published on: January 1, 2013
Imported on: November 21, 2016
Keywords: [INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM], [en] Young tableaux, reduced decompositions in the symmetric group, Edelman-Greene insertion, Lascoux-Schützenberger tree, Knuth moves, Stanley symmetric functions

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