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<p>We prove that the (homotopy) hypercommutative algebra structure on the de Rham cohomology of a Poisson or Jacobi manifold defined by several authors is (homotopically) trivial, i.e.&#xa0;it reduces to the underlying (homotopy) commutative algebra structure. We do so by showing that the DG operads which codify the algebraic structure on the de Rham complex of Poisson and Jacobi manifolds, generated by the exterior product and the interior products with the structure polyvector fields, are quasi-isomorphic to the commutative suboperad. We proceed similarly with the commutative <InlineEquation ID="IEq1"> <EquationSource Format="TEX">\(BV_\infty \)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mi>B</mi> <msub> <mi>V</mi> <mi>∞</mi> </msub> </mrow> </math></EquationSource> </InlineEquation>-algebra structure on the de Rham complex of a generalized Poisson supermanifold.</p>

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Operations on the de Rham cohomology of Poisson and Jacobi manifolds

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年10月10日

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  • Ai Guan,
  • Fernando Muro

摘要

We prove that the (homotopy) hypercommutative algebra structure on the de Rham cohomology of a Poisson or Jacobi manifold defined by several authors is (homotopically) trivial, i.e. it reduces to the underlying (homotopy) commutative algebra structure. We do so by showing that the DG operads which codify the algebraic structure on the de Rham complex of Poisson and Jacobi manifolds, generated by the exterior product and the interior products with the structure polyvector fields, are quasi-isomorphic to the commutative suboperad. We proceed similarly with the commutative \(BV_\infty \) B V ∞ -algebra structure on the de Rham complex of a generalized Poisson supermanifold.