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

We discover a family of closed, embedded minimal surfaces in the three-dimensional round sphere which includes new examples with low genus. The existence proof relies on an equivariant min-max procedure applied to a novel sweepout which is constructed by fusing the equatorial sphere with the Clifford torus. We determine the full symmetry groups of our surfaces, prove lower bounds on their Morse indices, and show that they are geometrically distinct from all previously known examples.

Publication Details

Journal
ArXiv.org
Published
2025-07-30
Primary Topic
Geometric Analysis and Curvature Flows
Type
article
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article

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

ArXiv.org
Geometric Analysis and Curvature Flows
article

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

article en

Abstract

We discover a family of closed, embedded minimal surfaces in the three-dimensional round sphere which includes new examples with low genus. The existence proof relies on an equivariant min-max procedure applied to a novel sweepout which is constructed by fusing the equatorial sphere with the Clifford torus. We determine the full symmetry groups of our surfaces, prove lower bounds on their Morse indices, and show that they are geometrically distinct from all previously known examples.

ArXiv.org
Openalex Percentile: Top 40%
Geometric Analysis and Curvature Flows
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A new family of minimal surfaces of even genus in the three-dimensional sphere · ArXiv.org (2025) | TGRS Research Map | TGRS