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  1. Home > Articles & Issues >
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  3. Unitary Matrix Integ ...
Conference paper

Unitary Matrix Integrals, Primitive Factorizations, and Jucys-Murphy Elements

Sho Matsumoto (1), Jonathan Novak ORCID (2) (3)
(1) Graduate School of Mathematics [Nagoya]
(2) Combinatorics and Optimization [Waterloo]
(3) Mathematical Sciences Research Institute
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Imported on
January 31, 2017
Published on
December 31, 2009
Last modified on
March 31, 2025
Volume
DMTCS Proceedings vol. AN, 22nd International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2010)
Proceedings
DOI
10.46298/dmtcs.2879
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https://about.hal.science/hal-authorisation-v1
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Unitary Matrix Integrals, Primitive Factorizations, and Jucys-Murphy Elements

Sho Matsumoto (1), Jonathan Novak ORCID (2) (3)
(1) Graduate School of Mathematics [Nagoya]
(2) Combinatorics and Optimization [Waterloo]
(3) Mathematical Sciences Research Institute
Abstract
English
A factorization of a permutation into transpositions is called "primitive'' if its factors are weakly ordered.We discuss the problem of enumerating primitive factorizations of permutations, and its place in the hierarchy of previously studied factorization problems. Several formulas enumerating minimal primitive and possibly non-minimal primitive factorizations are presented, and interesting connections with Jucys-Murphy elements, symmetric group characters, and matrix models are described.
French
Une factorisation en transpositions d'une permutation est dite "primitive'' si ses facteurs sont ordonnés. Nous discutons du problème de l'énumération des factorisations primitives de permutations, et de sa place dans la hiérarchie des problèmes de factorisation précédemment étudiés. Nous présentons plusieurs formules énumérant certaines classes de factorisations primitives,et nous soulignons des connexions intéressantes avec les éléments Jucys-Murphy, les caractères des groupes symétriques, et les modèles de matrices.
Keywords
  • [MATH.MATH-CO]Mathematics [math]/Combinatorics [math.CO]
  • [INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM]
  • Primitive factorizations
  • Jucys-Murphy elements
  • matrix integrals
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Source: OpenCitations

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