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arXiv 1002.2993math.DGmath.CV
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Zoll覆盖、分支覆盖和全纯覆盖

Zoll Metrics, Branched Covers, and Holomorphic Disks

Claude LeBrun, L. J. Mason

摘要:

我们加强了我们以前关于S^2上Zoll度量的模空间和Zoll投射结构的结果。特别地,我们描述了一个具体的、开放的条件,该条件足以保证RP ^2在CP_2中的全实嵌入产生于2-球面上的唯一Zoll投射结构。我们的方法最终反映了这种结构在三维Lorentzian Einstein-Weyl方程的初值问题中所起的特殊作用。

英文摘要:

We strengthen our previous results regarding the moduli spaces of Zoll metrics and Zoll projective structures on S^2. In particular, we describe a concrete, open condition which suffices to guarantee that a totally real embedding of RP^2 in CP_2 arises from a unique Zoll projective structure on the 2-sphere. Our methods ultimately reflect the special role such structures play in the initial value problem for the 3-dimensional Lorentzian Einstein-Weyl equations.

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