English

Boundary Harnack estimates in slit domains and applications to thin free boundary problems

Analysis of PDEs 2014-06-24 v1

Abstract

We provide a higher order boundary Harnack inequality for harmonic functions in slit domains. As a corollary we obtain the CC^\infty regularity of the free boundary in the Signorini problem near non-degenerate points.

Keywords

Cite

@article{arxiv.1406.6039,
  title  = {Boundary Harnack estimates in slit domains and applications to thin free boundary problems},
  author = {Daniela De Silva and Ovidiu Savin},
  journal= {arXiv preprint arXiv:1406.6039},
  year   = {2014}
}