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  1. Home > Articles & Issues >
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Conference paper

A generalization of the alcove model and its applications

Cristian Lenart (1), Arthur Lubovsky (1)
(1) Department of Mathematics and Statistics [Albany-USA]
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Imported on
January 31, 2017
Published on
December 31, 2011
Last modified on
March 31, 2025
Volume
DMTCS Proceedings vol. AR, 24th International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2012)
Proceedings
DOI
10.46298/dmtcs.3090
License
https://about.hal.science/hal-authorisation-v1
National Science Foundation
1101264
Combinatorics of Crystals, Macdonald Polynomials, and Schubert Calculus
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576
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611
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A generalization of the alcove model and its applications

Cristian Lenart (1), Arthur Lubovsky (1)
(1) Department of Mathematics and Statistics [Albany-USA]
Abstract
English
The alcove model of the first author and Postnikov describes highest weight crystals of semisimple Lie algebras. We present a generalization, called the quantum alcove model, and conjecture that it uniformly describes tensor products of column shape Kirillov-Reshetikhin crystals, for all untwisted affine types. We prove the conjecture in types $A$ and $C$. We also present evidence for the fact that a related statistic computes the energy function.
French
Le modèle des alcôves du premier auteur et Postnikov décrit les cristaux de plus haut poids des algèbres de Lie semi-simples. Nous présentons une généralisation, appelée le modèle des alcôves quantique, et nous conjecturons qu’il décrit dans une manière uniforme les produits tensoriels des cristaux de Kirillov-Reshetikhin de type colonne, pour toutes les types affines symétriques. Nous prouvons la conjecture dans les types $A$ et $C$. Nous fournissons aussi des preuves qu’une statistique associée donne la fonction d’énergie.
Keywords
  • [INFO.INFO-DM]Computer Science [cs]/Discrete Mathematics [cs.DM]
  • Kirillov-Reshetikhin crystals
  • energy function
  • alcove model
  • quantum Bruhat graph
  • Kashiwara-Nakashima columns
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