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  1. Home > Articles & Issues >
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  3. Stable rigged config ...
Conference paper

Stable rigged configurations and Littlewood―Richardson tableaux

Masato Okado (1), Reiho Sakamoto (2)
(1) Department of Mathematical Science
(2) Department of Physics [Tokyo]
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Imported on
January 31, 2017
Published on
December 31, 2010
Last modified on
March 31, 2025
Volume
DMTCS Proceedings vol. AO, 23rd International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2011)
Proceedings
DOI
10.46298/dmtcs.2948
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https://about.hal.science/hal-authorisation-v1
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Stable rigged configurations and Littlewood―Richardson tableaux

Masato Okado (1), Reiho Sakamoto (2)
(1) Department of Mathematical Science
(2) Department of Physics [Tokyo]
Abstract
English
For an affine algebra of nonexceptional type in the large rank we show the fermionic formula depends only on the attachment of the node 0 of the Dynkin diagram to the rest, and the fermionic formula of not type $A$ can be expressed as a sum of that of type $A$ with Littlewood–Richardson coefficients. Combining this result with theorems of Kirillov–Schilling–Shimozono and Lecouvey–Okado–Shimozono, we settle the $X=M$ conjecture under the large rank hypothesis.
French
Pour une algèbre affine de type non-exceptionnel de grand rang nous prouvons que la formule fermionique dépend seulement du voisinage du nœud 0 dans le diagramme de Dynkin, et également que la formule fermionique en type autre que $A$ peut être exprimée comme combinaison de celles de type $A$ avec des coefficients de Littlewood–Richardson. Combinant ce résultat avec des théorèmes de Kirillov–Schilling–Shimozono et de Lecouvey–Okado–Shimozono, nous résolvons la conjecture $X=M$ lorsque le rang est grand.
Keywords
  • [MATH.MATH-CO]Mathematics [math]/Combinatorics [math.CO]
  • [INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM]
  • affine crystals
  • rigged configurations
  • Littlewood―Richardson tableaux
  • fermionic formula
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