English

Dimension estimates for the boundary of planar Sobolev extension domains

Classical Analysis and ODEs 2020-06-26 v1 Functional Analysis

Abstract

We prove an asymptotically sharp dimension upper-bound for the boundary of bounded simply-connected planar Sobolev W1,pW^{1,p}-extension domains via the weak mean porosity of the boundary. The sharpness of our estimate is shown by examples.

Keywords

Cite

@article{arxiv.2006.14213,
  title  = {Dimension estimates for the boundary of planar Sobolev extension domains},
  author = {Danka Lučić and Tapio Rajala and Jyrki Takanen},
  journal= {arXiv preprint arXiv:2006.14213},
  year   = {2020}
}

Comments

16 pages, 4 figures