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Generalized Grothendieck's simultaneous resolution and associated varieties of simple affine vertex algebras

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arxiv 2404.02365 v2 pith:MRLYDO5K submitted 2024-04-02 math.RT math-phmath.MP

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keywords generalizedgrothendieckresolutionsimultaneousaffinealgebrasassociatedclosure
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The closure of a Diximier sheet is the image of a generalized Grothendieck's simultaneous resolution. We show that the associated variety of simple affine vertex algebras is contained in the closure of the Diximier sheet when a chiralization of generalized Grothendieck's simultaneous resolution exists. This generalizes in a conceptual manner the results obtained by the first named author and Anne Moreau and, in particular, allows to extend them to the types A_2, C_n, E_6, E_7.

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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. Associated varieties of simple affine vertex algebras at rational levels

    math.RT 2026-06 unverdicted novelty 7.0 of 10

    Authors conjecture associated varieties of L_k(g) for simply-laced g at rational k > critical level, using Gao-Liu-Lo-Shahidi covering duality map, and supply supporting evidence.

  2. Affine vertex algebras and an affine analog of Barbasch-Vogan's construction

    math.RT 2026-08 conditional novelty 5.0 of 10

    This expository preprint proposes a Langlands-style conjectural description of associated varieties and simple modules of simple affine vertex algebras at integer levels in simply-laced types.

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