English

A div-curl inequality for orthonormal functions

Analysis of PDEs 2023-09-18 v1 Mathematical Physics Functional Analysis math.MP Spectral Theory

Abstract

We prove a bound on the sum of the product of curl-free and divergence-free vector fields. Under appropriate orthonormality conditions our bound scales sublinearly in the number of terms, similar in spirit to Lieb--Thirring inequalities.

Keywords

Cite

@article{arxiv.2309.08014,
  title  = {A div-curl inequality for orthonormal functions},
  author = {Rupert L. Frank},
  journal= {arXiv preprint arXiv:2309.08014},
  year   = {2023}
}

Comments

11 pages; dedicated to Fritz Gesztesy on the occasion of his 70th birthday

R2 v1 2026-06-28T12:22:04.789Z