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Vertex operator algebras associated to modular invariant representations for $A_1 ^{(1)}$

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arxiv q-alg/9509025 v1 pith:FRN5EMCN submitted 1995-09-22 q-alg math.QA

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keywords representationsalgebrasassociatedcategoryoperatorrationalvertexadmissible
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abstract

We investigate vertex operator algebras $L(k,0)$ associated with modular-invariant representations for an affine Lie algebra $A_1 ^{(1)}$ , where k is 'admissible' rational number. We show that VOA $L(k,0)$ is rational in the category $\cal O$ and find all irreducible representations in the category of weight modules.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Reduction and inverse-reduction functors I: standard $\mathsf{V^k}(\mathfrak{sl}_2)$-modules

    math.QA 2026-05 unverdicted novelty 7.0 of 10

    The paper develops a formalism for reduction and inverse-reduction functors and computes the action of reduction on standard modules of V^k(sl_2), noting unbounded spectral sequences.

  2. Fusion rules and rigidity for weight modules over the simple admissible affine $\mathfrak{sl}(2)$ and $\mathcal{N}=2$ superconformal vertex operator superalgebras

    math.QA 2024-11 conditional novelty 7.0 of 10

    Rigidity of weight module categories for admissible affine sl(2) and N=2 superconformal minimal models is proved, together with the conjectured fusion product decompositions, including non-semisimple summands.

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