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An Introduction to $L_\infty$-Algebras and their Homotopy Theory

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arxiv 2207.01861 v1 pith:FINEZIAI submitted 2022-07-05 math.QA

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keywords inftymorphismsalgebraselementsmaurer-cartantheorycurvedhomotopy
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abstract

In this review we give a detailed introduction to the theory of (curved) $L_\infty$-algebras and $L_\infty$-morphisms. In particular, we recall the notion of (curved) Maurer-Cartan elements, their equivalence classes and the twisting procedure. The main focus is then the study of the homotopy theory of $L_\infty$-algebras and $L_\infty$-modules. In particular, one can interpret $L_\infty$-morphisms and morphisms of $L_\infty$-modules as Maurer-Cartan elements in certain $L_\infty$-algebras, and we show that twisting the morphisms with equivalent Maurer-Cartan elements yields homotopic morphisms.

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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. On the Dirac complement problem

    math.SG 2026-07 conditional novelty 7.0 of 10

    A new cohomology class obstructs the existence of Dirac complements, and for Lie algebras carrying a definite invariant pairing, the diagonal in g⊕ḡ admits a Dirac complement exactly when g is abelian — covering all r...

  2. Calabi-Yau Deformation Quantization

    math.QA 2026-07 conditional novelty 3.0 of 10

    A Calabi-Yau version of Kontsevich's formality morphism is recorded, yielding canonical closed deformation quantizations for unimodular holomorphic Poisson Calabi-Yau manifolds.

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