English

Uniform Continuity and Br\'ezis-Lieb Type Splitting for Superposition Operators in Sobolev Space

Functional Analysis 2016-08-17 v4 Analysis of PDEs

Abstract

Using concentration-compactness arguments we prove a variant of the Brezis-Lieb-Lemma under weaker assumptions on the nonlinearity than known before. An intermediate result on the uniform continuity of superposition operators in Sobolev space is of independent interest.

Keywords

Cite

@article{arxiv.1111.4199,
  title  = {Uniform Continuity and Br\'ezis-Lieb Type Splitting for Superposition Operators in Sobolev Space},
  author = {Nils Ackermann},
  journal= {arXiv preprint arXiv:1111.4199},
  year   = {2016}
}