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Genus one critical catenoid

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arxiv 2409.12588 v1 pith:4U2DE7DM submitted 2024-09-19 math.DG

classification math.DG
keywords boundarygenusballcatenoidcomponentsconstructcriticaldiscovery
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We use variational methods to construct a free boundary minimal surface in the three-dimensional unit ball with genus one, two boundary components and prismatic symmetry. Key ingredients are an extension of the equivariant min-max theory to include orientation-reversing isometries and the discovery of a nontrivial two-parameter sweepout.

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Cited by 1 Pith paper

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  1. A new family of minimal surfaces of even genus in the three-dimensional sphere

    math.DG 2025-07 conditional novelty 7.0 of 10

    For each n at least 2, an equivariant min-max procedure yields a new embedded minimal surface Gamma_n in S^3 with genus 2n or 2n-2, area just above the sphere's, full symmetry group G_n for n at least 4, and Morse ind...

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