Deformations of holomorphic Poisson manifolds

Deformations of holomorphic Poisson manifolds
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DOI:
10.17323/1609-4514-2012-12-3-567-591
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发表时间:
2011-05
期刊:
arXiv: Differential Geometry
影响因子:
--
通讯作者:
N. Hitchin
N. Hitchin
中科院分区:
其他
文献类型:
--
作者:
N. Hitchin

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证明了紧致全纯Poisson流形变形的一个无障碍性定理,并应用于一类例子。这些包括某些合理的表面和希尔伯特计划的点泊松表面。我们研究特别是希尔伯特计划的投影平面,并表明,一个通用的变形是由两个参数-椭圆曲线和平移。
An unobstructedness theorem is proved for deformations of compact holomorphic Poisson manifolds and applied to a class of examples. These include certain rational surfaces and Hilbert schemes of points on Poisson surfaces. We study in particular the Hilbert schemes of the projective plane and show that a generic deformation is determined by two parameters -- an elliptic curve and a translation on it.