English

Going to Lorentz when fractional Sobolev, Gagliardo and Nirenberg estimates fail

Classical Analysis and ODEs 2023-01-04 v2 Analysis of PDEs Functional Analysis

Abstract

In the cases where there is no Sobolev-type or Gagliardo-Nirenberg-type fractional estimate involving uWs,p\lvert u\rvert_{W^{s,p}}, we establish alternative estimates where the strong LpL^p norms are replaced by Lorentz norms.

Keywords

Cite

@article{arxiv.2104.09867,
  title  = {Going to Lorentz when fractional Sobolev, Gagliardo and Nirenberg estimates fail},
  author = {Haïm Brezis and Jean Van Schaftingen and Po-Lam Yung},
  journal= {arXiv preprint arXiv:2104.09867},
  year   = {2023}
}

Comments

Fixed up some typos. arXiv admin note: text overlap with arXiv:2003.05216