English

Minimizing sequences of Sobolev inequalities revisited

Analysis of PDEs 2025-06-12 v2 Mathematical Physics math.MP

Abstract

We give a new proof of the compactness of minimizing sequences of the Sobolev inequalities in the critical case. Our approach relies on a simplified version of the concentration-compactness principle, which does not require any refinement of the Sobolev embedding theorem.

Keywords

Cite

@article{arxiv.2412.08616,
  title  = {Minimizing sequences of Sobolev inequalities revisited},
  author = {Charlotte Dietze and Phan Thành Nam},
  journal= {arXiv preprint arXiv:2412.08616},
  year   = {2025}
}

Comments

12 pages, final version to appear in IMRN