Around the normal derivative lemma
Analysis of PDEs
2022-06-17 v1
Abstract
This survey provides a description of the history and the state of the art of one of the most important fields in the qualitative theory of elliptic partial differential equations including the strong maximum principle, the boundary point principle (the normal derivative lemma) and related topics.
Cite
@article{arxiv.2206.08043,
title = {Around the normal derivative lemma},
author = {Darya E. Apushkinskaya and Alexander I. Nazarov},
journal= {arXiv preprint arXiv:2206.08043},
year = {2022}
}
Comments
94 pages