Geodesic
Nonlinear Beltrami operators, Schauder estimates and bounds for the Jacobian
Annales de l'I.H.P. Analyse non linéaire, Tome 34 (2017) no. 6, pp. 1543-1559.

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We provide Schauder estimates for nonlinear Beltrami equations and lower bounds of the Jacobians for homeomorphic solutions. The results were announced in [1] but here we give detailed proofs.

DOI : 10.1016/j.anihpc.2016.10.008
Classification : 30C62, 35J60, 35J46, 35B65
Keywords: Quasiconformal mappings, Nonlinear Beltrami equation, Schauder estimates, Non-vanishing of the Jacobian 
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     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
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Astala, Kari; Clop, Albert; Faraco, Daniel; Jääskeläinen, Jarmo; Koski, Aleksis. Nonlinear Beltrami operators, Schauder estimates and bounds for the Jacobian. Annales de l'I.H.P. Analyse non linéaire, Tome 34 (2017) no. 6, pp. 1543-1559. doi : 10.1016/j.anihpc.2016.10.008. http://geodesic.mathdoc.fr/articles/10.1016/j.anihpc.2016.10.008/

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