English

Quasiconformal extension for harmonic mappings on finitely connected domains

Complex Variables 2021-02-05 v2

Abstract

We prove that a harmonic quasiconformal mapping defined on a finitely connected domain in the plane, all of whose boundary components are either points or quasicircles, admits a quasiconformal extension to the whole plane if its Schwarzian derivative is small. We also make the observation that a univalence criterion for harmonic mappings holds on uniform domains.

Keywords

Cite

@article{arxiv.2101.09561,
  title  = {Quasiconformal extension for harmonic mappings on finitely connected domains},
  author = {Iason Efraimidis},
  journal= {arXiv preprint arXiv:2101.09561},
  year   = {2021}
}

Comments

6 pages, 1 figure; slightly extended introduction in version 2