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arXiv 0707.4253math.DGhep-thmath-phmath.MP
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全纯Poisson流形与全纯李代数胚

Holomorphic Poisson Manifolds and Holomorphic Lie Algebroids

Camille Laurent-Gengoux, Mathieu Stienon, Ping Xu

摘要:

本文从实Poisson几何的角度研究了全纯Poisson流形和全纯李代数胚。利用Magri-Morosi的Poisson Nijenhuis结构给出了全纯Poisson结构的一个特征,并描述了一个计算全纯Poisson上同调的二重复形.证明了向量丛$A\to X$上的全纯李代数胚结构等价于一对匹配的复李代数胚$(T^{0,1}X,A^{1,0})$,在Lu意义下. $A$的全纯李代数胚上同调同构于椭圆李代数胚$T^{0,1}X\bowtie A^{1,0}$的上同调。当$(X,π)$是一个全纯Poisson流形且$A=(T^*X)_π$时,这样的椭圆李代数体与对应于全纯Poisson流形的广义复结构的Dirac结构一致。

英文摘要:

We study holomorphic Poisson manifolds and holomorphic Lie algebroids from the viewpoint of real Poisson geometry. We give a characterization of holomorphic Poisson structures in terms of the Poisson Nijenhuis structures of Magri-Morosi and describe a double complex which computes the holomorphic Poisson cohomology. A holomorphic Lie algebroid structure on a vector bundle $A\to X$ is shown to be equivalent to a matched pair of complex Lie algebroids $(T^{0,1}X,A^{1,0})$, in the sense of Lu. The holomorphic Lie algebroid cohomology of $A$ is isomorphic to the cohomology of the elliptic Lie algebroid $T^{0,1}X\bowtie A^{1,0}$. In the case when $(X,π)$ is a holomorphic Poisson manifold and $A=(T^*X)_π$, such an elliptic Lie algebroid coincides with the Dirac structure corresponding to the associated generalized complex structure of the holomorphic Poisson manifold.

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