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  1. Home > Articles & Issues >
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  3. Centralizers of the ...
Conference paper

Centralizers of the infinite symmetric group

Zajj Daugherty (1), Peter Herbrich (1)
(1) Department of Mathematics [Dartmouth]
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Imported on
November 21, 2016
Published on
December 31, 2013
Last modified on
March 31, 2025
Volume
DMTCS Proceedings vol. AT, 26th International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2014)
Proceedings
DOI
10.46298/dmtcs.2414
License
https://about.hal.science/hal-authorisation-v1
National Science Foundation
1162010
Combinatorics and representation theory of centralizer algebras
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698
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1616
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Centralizers of the infinite symmetric group

Zajj Daugherty (1), Peter Herbrich (1)
(1) Department of Mathematics [Dartmouth]
Abstract
English
We review and introduce several approaches to the study of centralizer algebras of the infinite symmetric group $S_{\infty}$. Our work is led by the double commutant relationship between finite symmetric groups and partition algebras; in the case of $S_{\infty}$, we obtain centralizer algebras that are contained in partition algebras. In view of the theory of symmetric functions in non-commuting variables, we consider representations of $S_{\infty}$ that are faithful and that contain invariant elements; namely, non-unitary representations on sequence spaces.
French
Nous étudions les algèbres du centralisateur du groupe symétrique infini $S_{\infty}$, passant en revue certaines approches et en introduisant de nouvelles. Notre travail est basé sur la relation du double commutant entre le groupe symétrique fini et les algèbres de partition; dans le cas de $S_{\infty}$, nous obtenons des algèbres du centralisateur contenues dans les algèbres de partition. Compte tenu de la théorie des fonctions symétriques en variables non commutatives, nous considérons les représentations de $S_{\infty}$ qui sont fidèles et contiennent les invariants; c’est-à-dire, les représentations non unitaires sur les espaces de suites.
Keywords
  • [INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM]
  • [MATH.MATH-CO]Mathematics [math]/Combinatorics [math.CO]
  • representation theory
  • infinite symmetric group
  • centralizer algebras
  • partition algebras
  • symmetric functions
  • Banach spaces
Cited by

Source: OpenCitations

  • A combinatorial Hopf algebra on partition diagrams

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    Journal reference : Volume 53, 2025, pp. 2723-2744

    DOI : 10.1080/00927872.2025.2450033
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