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arXiv 2011.02928math.ATmath.GT
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辛代数与有理同伦型的闭辛流形实现

On the realization of symplectic algebras and rational homotopy types by closed symplectic manifolds

Aleksandar Milivojevic

摘要:

我们回答一个问题的Oprea-Tralle的实现辛代数的辛流形的维度可分四,随着一个问题的Lupton-Oprea在所有甚至维度。这也将使我们能够解决,在所有甚至维度6和更高,另一个问题Oprea-Tralle的可能性代数条件的合理同伦极小模型的封闭光滑流形暗示存在的辛结构的流形。

英文摘要:

We answer a question of Oprea-Tralle on the realizability of symplectic algebras by symplectic manifolds in dimensions divisible by four, along with a question of Lupton-Oprea in all even dimensions. This will also allow us to address, in all even dimensions six and higher, another question of Oprea-Tralle on the possibility of algebraic conditions on the rational homotopy minimal model of a closed smooth manifold implying the existence of a symplectic structure on the manifold.

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