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The Strong Homotopy Structure of BRST Reduction

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arxiv 2202.08750 v1 pith:EJBOR6XY submitted 2022-02-17 math.QA math-phmath.MP

classification math.QAmath-phmath.MP
keywords reductioninftyhomotopymorphismobtainedproductreducedstar
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abstract

In this paper we propose a reduction scheme for polydifferential operators phrased in terms of $L_\infty$-morphisms. The desired reduction $L_\infty$-morphism has been obtained by applying an explicit version of the homotopy transfer theorem. Finally, we prove that the reduced star product induced by this reduction $L_\infty$-morphism and the reduced star product obtained via the formal Koszul complex are equivalent.

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

  1. Infinitesimal Star Products Compatible with Coisotropic Reduction

    math.QA 2025-01 conditional novelty 7.0 of 10

    Infinitesimal reduction-compatible star products are exactly bivector fields plus symmetric differential operators built from the characteristic distribution and the normal bundle, up to constraint equivalence.

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