Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4596307 | Journal of Pure and Applied Algebra | 2014 | 24 Pages |
Abstract
We consider principal subspaces WL(kΛ0) and WN(kΛ0) of standard module L(kΛ0) and generalized Verma module N(kΛ0) at level k≥1 for the affine Lie algebra of type . By using the theory of vertex operator algebras, we find combinatorial bases of principal subspaces in terms of quasi-particles. From quasi-particle bases, we obtain character formulas for WL(kΛ0) and WN(kΛ0).
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