Abstract
Let V be a vertex operator algebra and m, n ≥ 0. We construct an A n (V)-A m (V)-bimodule A n,m (V) which determines the action of V from the level m subspace to level n subspace of an admissible V-module. We show how to use A n,m (V) to construct naturally admissible V-modules from A m (V)-modules. We also determine the structure of A n,m (V) when V is rational.
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Chongying Dong was supported by NSF grants, China NSF grant 10328102 and a Faculty research grant from the University of California at Santa Cruz. Cuipo Jiang was supported in part by China NSF grant 10571119.
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Dong, C., Jiang, C. Bimodules associated to vertex operator algebras. Math. Z. 259, 799–826 (2008). https://doi.org/10.1007/s00209-007-0249-6
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DOI: https://doi.org/10.1007/s00209-007-0249-6