Conjecture on the space of Alexandrov embedded Lawson symmetric CMC surfaces

A Lawson symmetric CMC surface is a compact constant-mean-curvature surface in S3\mathbb{S}^3 of genus g1g\geq 1 with a cyclic symmetry of order g+1g+1 having four fixed points. For each pair of integers g1g\geq 1 and n1n\geq 1, let Ξgn\Xi_g^n denote the known Lawson symmetric families, which also have the symmetry induced by the hyperelliptic involution, and let Ξ^gn\widehat\Xi_g^n denote the conjectured additional one-parameter families of Alexandrov embedded Lawson symmetric surfaces lacking that symmetry. Lawson symmetric surface space conjecture. The space of Alexandrov embedded Lawson symmetric constant-mean-curvature surfaces consists of the families Ξgn\Xi_g^n and Ξ^gn\widehat\Xi_g^n. The conjecture asserts that the generalized Whitham flow from the (2n+1)(2n+1)-lobed Delaunay tori reaches the families Ξ^gn\widehat\Xi_g^n, which converge to a chain of (g+1)n+1(g+1)n+1 constant-mean-curvature spheres. The completeness of this description would classify the Alexandrov embedded Lawson symmetric CMC surfaces beyond the currently known families; the supplied text gives no resolution, so the conjecture remains open.

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Primary source

Lynn Heller, Sebastian Heller and Nicholas Schmitt, “Exploring the space of compact symmetric CMC surfaces”, arXiv:1503.07838 (2017).

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