Volume 27, 2021
|Number of page(s)||35|
|Published online||26 August 2021|
Diffeomorphic approximation of planar Sobolev homeomorphisms in rearrangement invariant spaces
Department of Mathematics, University of Hradec Králové,
Hradec Králové, Czech Republic.
2 Faculty of Economics, University of South Bohemia, Studentská 13, Ceské Budejovice, Czech Republic.
3 Dipartimento di Ingegneria Elettrica e delle Tecnologie dell’Informazione, Università degli Studi di Napoli “Federico II”, Via Claudio 21, 80125 Napoli, Italy.
4 Dipartimento di Matematica e Applicazioni “R. Caccioppoli”, Università degli Studi di Napoli “Federico II”, Via Cintia, 80126 Napoli, Italy.
5 Department of Mathematics and Didactic of Mathematics, Faculty of Science, Humanities and Education, Technical University of Liberec, Studentská 1402/2, 461 17 Liberec, Czechia.
* Corresponding author: firstname.lastname@example.org
Accepted: 9 July 2021
Let Ω ⊆ ℝ2 be a domain, let X be a rearrangement invariant space and let f ∈ W1 X (Ω, ℝ2) be a homeomorphism between Ω and f(Ω). Then there exists a sequence of diffeomorphisms fk converging to f in the space W1X (Ω, ℝ2).
Mathematics Subject Classification: 46E35
Key words: Homeomorphic approximation / non-linear elasticity / rearrangement invariant spaces
© The authors. Published by EDP Sciences, SMAI 2021
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