On the Hopf Lemma
Analysis of PDEs
2011-11-10 v2 Differential Geometry
Abstract
The Hopf Lemma for second order elliptic operators is proved to hold in domains with , and even less regular, boundaries. It need not hold for boundaries. Corresponding results are proved for second order parabolic operators.
Keywords
Cite
@article{arxiv.0709.3531,
title = {On the Hopf Lemma},
author = {YanYan Li and L. Nirenberg},
journal= {arXiv preprint arXiv:0709.3531},
year = {2011}
}
Comments
This paper has been withdrawn, since the result had been proved earlier