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Representation Theory

ISSN 1088-4165



Weyl modules for classical and quantum affine algebras

Authors: Vyjayanthi Chari and Andrew Pressley
Journal: Represent. Theory 5 (2001), 191-223
MSC (2000): Primary 81R50, 17B67
Published electronically: July 5, 2001
MathSciNet review: 1850556
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Abstract: We introduce and study the notion of a Weyl module for the classical affine algebras, these modules are universal finite-dimensional highest weight modules. We conjecture that the modules are the classical limit of a family of irreducible modules of the quantum affine algebra, and prove the conjecture in the case of $sl_2$. The conjecture implies also that the Weyl modules are the classical limits of the standard modules introduced by Nakajima and further studied by Varagnolo and Vasserot.

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Additional Information

Vyjayanthi Chari
Affiliation: Department of Mathematics, University of California, Riverside, California 92521

Andrew Pressley
Affiliation: Department of Mathematics, Kings College, London, WC 2R, 2LS, England, United Kingdom

Received by editor(s): August 23, 2000
Published electronically: July 5, 2001
Article copyright: © Copyright 2001 American Mathematical Society