English

Separation of a Lower Dimensional Free Boundary in a Two Phase Problem

Analysis of PDEs 2012-03-29 v1

Abstract

This paper studies local properties of a two phase free boundary problem for the fractional Laplacian. The main result states that the two free boundaries of the positive and negativity sets cannot touch.

Keywords

Cite

@article{arxiv.1203.6311,
  title  = {Separation of a Lower Dimensional Free Boundary in a Two Phase Problem},
  author = {Mark Allen},
  journal= {arXiv preprint arXiv:1203.6311},
  year   = {2012}
}
R2 v1 2026-06-21T20:41:21.883Z