English

Rigidity of Beltrami fields with a non-constant proportionality factor

Analysis of PDEs 2022-05-04 v1

Abstract

We prove that bounded Beltrami fields must be symmetric if a proportionality factor depends on 2 variables in the cylindrical coordinate and admits a regular level set diffeomorphic to a cylinder or a torus.

Keywords

Cite

@article{arxiv.2108.03870,
  title  = {Rigidity of Beltrami fields with a non-constant proportionality factor},
  author = {Ken Abe},
  journal= {arXiv preprint arXiv:2108.03870},
  year   = {2022}
}

Comments

12 pages

R2 v1 2026-06-24T04:56:22.818Z