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  1. Home > Articles & Issues >
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  3. A preorder-free cons ...
Conference paper

A preorder-free construction of the Kazhdan-Lusztig representations of Hecke algebras $H_n(q)$ of symmetric groups

Charles Buehrle (1), Mark Skandera ORCID (1)
(1) Department of Mathematics
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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.2874
License
Attribution 4.0 International (CC BY 4.0)
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A preorder-free construction of the Kazhdan-Lusztig representations of Hecke algebras $H_n(q)$ of symmetric groups

Charles Buehrle (1), Mark Skandera ORCID (1)
(1) Department of Mathematics
Abstract
English
We use a quantum analog of the polynomial ring $\mathbb{Z}[x_{1,1},\ldots, x_{n,n}]$ to modify the Kazhdan-Lusztig construction of irreducible $H_n(q)$-modules. This modified construction produces exactly the same matrices as the original construction in [$\textit{Invent. Math.}$ $\textbf{53}$ (1979)], but does not employ the Kazhdan-Lusztig preorders. Our main result is dependent on new vanishing results for immanants in the quantum polynomial ring.
French
Nous utilisons un analogue quantique de l'anneau $\mathbb{Z}[x_{1,1},\ldots,x_{n,n}]$ pour modifier la construction Kazhdan-Lusztig des modules-$H_n(q)$ irréductibles. Cette construction modifiée produit exactement les mêmes matrices que la construction originale dans [$\textit{Invent. Math.}$ $\textbf{53}$ (1979)], mais sans employer les préordres de Kazhdan-Lusztig. Notre résultat principal dépend de nouveaux résultats de disparition pour des immanants dans l'anneau polynôme de quantique.
Keywords
  • [MATH.MATH-CO]Mathematics [math]/Combinatorics [math.CO]
  • [INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM]
  • Kazhdan-Lusztig
  • immanants
  • irreducible representations
  • Hecke algebra
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