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PreprintCC BY 4.0arXiv

Area-minimizing submanifolds are not generically smooth, except for geodesics, minimal surfaces, and minimal hypersurfaces

  • Zhenhua Liu
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Abstract

We prove that area-minimizing submanifolds in mod $2$ homology are not generically smooth, except in the case of geodesics, minimal surfaces and minimal hypersurfaces. This answers questions of White and Yau that ask about the generic smoothness of area-minimizing submanifolds. We furthermore establish a lower bound on the Hausdorff dimension of the singular sets of area-minimizing submanifolds with respect to open sets of Riemannian metrics. The lower bound is (d−3) where d denotes the dimension of the submanifold. As a crucial step, we prove that the cone over the Veronese minimal embedding of ℝℙ2 is mod $2$ area-minimizing, settling another long-standing open problem.

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Cite

BibTeXRIS
BibTeX
@misc{liu2026areaminimizing,
  title = {{Area-minimizing submanifolds are not generically smooth, except for geodesics, minimal surfaces, and minimal hypersurfaces}},
  author = {Zhenhua Liu},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2607.24735},
  eprint = {2607.24735},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2607.24735},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Area-minimizing submanifolds are not generically smooth, except for geodesics, minimal surfaces, and minimal hypersurfaces
AU  - Zhenhua Liu
PY  - 2026
DA  - 2026/09/28
PB  - arXiv
DO  - 10.48550/arxiv.2607.24735
UR  - https://arxiv.org/abs/2607.24735
AB  - We prove that area-minimizing submanifolds in mod $2$ homology are not generically smooth, except in the case of geodesics, minimal surfaces and minimal hypersurfaces. This answers questions of White and Yau that ask about the generic smoothness of area-minimizing submanifolds. We furthermore establish a lower bound on the Hausdorff dimension of the singular sets of area-minimizing submanifolds with respect to open sets of Riemannian metrics. The lower bound is (d−3) where d denotes the dimension of the submanifold. As a crucial step, we prove that the cone over the Veronese minimal embedding of ℝℙ^2 is mod $2$ area-minimizing, settling another long-standing open problem.
ER  -