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PreprintCC BY 4.0arXiv

A sub-Riemannian endpoint map with no regular values

Abstract

We construct an endpoint map with no regular values, disproving the sub-Riemannian Sard conjecture. Remarkably, in our construction the minimizing Sard property remains valid.

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BibTeX
@misc{lerario2026subriemannian,
  title = {{A sub-Riemannian endpoint map with no regular values}},
  author = {Antonio Lerario and Luca Rizzi and Daniele Tiberio},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.05991},
  eprint = {2609.05991},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.05991},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - A sub-Riemannian endpoint map with no regular values
AU  - Antonio Lerario
AU  - Luca Rizzi
AU  - Daniele Tiberio
PY  - 2026
DA  - 2026/09/05
PB  - arXiv
DO  - 10.48550/arxiv.2609.05991
UR  - https://arxiv.org/abs/2609.05991
AB  - We construct an endpoint map with no regular values, disproving the sub-Riemannian Sard conjecture. Remarkably, in our construction the minimizing Sard property remains valid.
ER  -