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PreprintCC BY 4.0arXiv

Regularity of minimizing p-harmonic maps from B3 to 𝕊3

Abstract

We prove that every minimizing p-harmonic map from B3 into 𝕊3 is locally C1,α for some α∈(0,1), for every p>p0, where p0=(7−√(17))/2≈ 1.44. This closes the gap between the previously established regularity ranges [2,2.642]∪[2.961,3] and, in particular, yields full interior regularity for all p≥2. The result also extends regularity to the subquadratic range p0<p<2.

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BibTeX
@misc{mazowiecka2026regularity,
  title = {{Regularity of minimizing $p$-harmonic maps from $B^3$ to $\mathbbS^3$}},
  author = {Katarzyna Mazowiecka and Michał Miśkiewicz and Patryk Tokarczuk},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.27516},
  eprint = {2609.27516},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.27516},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Regularity of minimizing p-harmonic maps from B^3 to 𝕊^3
AU  - Katarzyna Mazowiecka
AU  - Michał Miśkiewicz
AU  - Patryk Tokarczuk
PY  - 2026
DA  - 2026/09/23
PB  - arXiv
DO  - 10.48550/arxiv.2609.27516
UR  - https://arxiv.org/abs/2609.27516
AB  - We prove that every minimizing p-harmonic map from B^3 into 𝕊^3 is locally C^1,α for some α∈(0,1), for every p>p_0, where p_0=(7−√(17))/2≈ 1.44. This closes the gap between the previously established regularity ranges [2,2.642]∪[2.961,3] and, in particular, yields full interior regularity for all p≥2. The result also extends regularity to the subquadratic range p_0<p<2.
ER  -