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New examples of constant mean curvature hypersurfaces in the sphere

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arxiv 2209.13236 v1 pith:7MD6KVHW submitted 2022-09-27 math.DG

classification math.DG
keywords timessigmacompactconstantcurvatureembeddedhypersurfacemathbb
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abstract

In this paper, firstly, we show the existence of a compact embedded constant mean curvature (CMC) hypersurface $\Sigma_1$ in $\mathbb{S}^{2n}$ of the type $S^{n-1} \times S^{n-1} \times S^{1}$. Moreover, the hypersurface $\Sigma_1$ exhibits $O(n)\times O(n)$ symmetry. Secondly, we show that there exists a compact embedded CMC-hypersurface $\Sigma_2 \subset \mathbb{S}^{3n-1}$ of the type $S^{n-1} \times S^{n-1} \times S^{n-1} \times S^{1}$. These results generalize the results of Carlotto and Schulz.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Existence of a constant-mean-curvature hypertorus in \(S^4\) via computer assistance

    math.DG 2025-06 conditional novelty 6.0 of 10

    A rigorous computer-assisted proof establishes the existence of a new embedded constant mean curvature hypertorus in the four-dimensional unit sphere.

  2. Navigating the Space of Compact CMC Hypersurfaces in Spheres, Part II

    math.DG 2025-05 conditional novelty 6.0 of 10

    A numerical one-parameter family of CMC hypersurfaces in S^4 connects a piecewise-CMC singular limit to a singular minimal limit, with a single non-embedded minimal member.

  3. New Explicit Eigenfunctions of the stability operator on some minimal hypersurfaces

    math.DG 2026-07 accept novelty 5.0 of 10

    For minimal immersions ϕ(y,z,t)=(f(t)y,f₂(t)z,f₁(t)), the functions ω(t)y_i z_j with ω=f^{-k}f₂^{-ℓ} are eigenfunctions of the stability operator for eigenvalue −n, implying index ≥ kℓ+3k+3ℓ+8.

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