Zoll Metrics, Branched Covers, and Holomorphic Disks
Abstract
We strengthen our previous results regarding the moduli spaces of Zoll metrics and Zoll projective structures on S2. In particular, we describe a concrete, open condition which suffices to guarantee that a totally real embedding of RP2 in CP2 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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