Calculus of Variations and Geometric Measure Theory
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S. Hencl - A. Pratelli

Diffeomorphic Approximation of $W^{1,1}$ Planar Sobolev Homeomorphisms

created by pratelli on 24 Feb 2015
modified on 01 Sep 2017

[BibTeX]

Accepted Paper

Inserted: 24 feb 2015
Last Updated: 1 sep 2017

Journal: J. Eur. Math. Soc.
Year: 2015

Abstract:

Let $\Omega\subseteq\mathbb R^2$ be a domain and let $f\in W^{1,1}(\Omega,\mathbb R^2)$ be a homeomorphism (between $\Omega$ and $f(\Omega)$). Then there exists a sequence of smooth diffeomorphisms $f_k$ converging to $f$ in $W^{1,1}(\Omega,\mathbb R^2)$ and uniformly.


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