English

Mutual absolute continuity of interior and exterior harmonic measure implies rectifiability

Classical Analysis and ODEs 2016-06-01 v2 Analysis of PDEs Metric Geometry

Abstract

We show that, for disjoint domains in the Euclidean space whose boundaries satisfy a non-degeneracy condition, mutual absolute continuity of their harmonic measures implies absolute continuity with respect to surface measure and rectifiability in the intersection of their boundaries.

Keywords

Cite

@article{arxiv.1602.01397,
  title  = {Mutual absolute continuity of interior and exterior harmonic measure implies rectifiability},
  author = {Jonas Azzam and Mihalis Mourgoglou and Xavier Tolsa},
  journal= {arXiv preprint arXiv:1602.01397},
  year   = {2016}
}

Comments

Made suggested changes by referee. To appear in Comm. Pure Appl. Math