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arXiv 1302.6970math.DGmath.SG
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Hamilton定常拉格朗日子流形的等变变形

Equivariant deformations of Hamiltonian stationary Lagrangian submanifolds

Renato G. Bettiol, Paolo Piccione, Bianca Santoro

摘要:

证明了Kahler流形的Hamilton定常拉格朗日子流形关于其度量和殆复结构的变形的等变变形结果,这些变形与等距Hamilton群作用相容.这产生了可能的非Kahler辛流形的度量是任意接近Kahler度量的哈密顿定常拉格朗日子流形的存在性。

英文摘要:

We prove an equivariant deformation result for Hamiltonian stationary Lagrangian submanifolds of a Kahler manifold, with respect to deformations of its metric and almost complex structure that are compatible with an isometric Hamiltonian group action. This yields existence of Hamiltonian stationary Lagrangian submanifolds in possibly non-Kahler symplectic manifolds whose metric is arbitrarily close to a Kahler metric.

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