English

Globally diffeomorphic $\sigma$--harmonic mappings

Analysis of PDEs 2019-06-04 v1

Abstract

Given a two--dimensional mapping UU whose components solve a divergence structure elliptic equation, we give necessary and sufficient conditions on the boundary so that UU is a global diffeomorphism.

Keywords

Cite

@article{arxiv.1906.00902,
  title  = {Globally diffeomorphic $\sigma$--harmonic mappings},
  author = {Giovanni Alessandrini and Vincenzo Nesi},
  journal= {arXiv preprint arXiv:1906.00902},
  year   = {2019}
}

Comments

11 pages, submitted

R2 v1 2026-06-23T09:39:24.248Z