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Crystal bases for quantum affine algebras and combinatorics of Young walls
Cited 60 time in
Web of Science
Cited 59 time in Scopus
- Authors
- Issue Date
- 2003
- Publisher
- Oxford University Press
- Citation
- Proc. London Math. Soc. (3) 86 (2003), 29-69
- Keywords
- quantum affine algebra ; crystal basis ; Young wall
- Abstract
- In this paper we give a realization of crystal bases for quantum affine algebras using some new combinatorial objects which we call the Young walls. The Young walls consist of colored blocks with various shapes that are built on a given ground-state wall and can be viewed as generalizations of Young diagrams. The rules for building Young walls and the action of Kashiwara operators are given explicitly in terms of combinatorics of Young walls. The crystal graph of a basic representation is characterized as the set of all reduced proper Young walls. The character of a basic representation can be computed easily by counting the number of colored blocks that have been added to the ground-state wall.
- ISSN
- 0024-6115
- Language
- English
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