Infinitesimal geometry of quasilinear mappings.
Gutlyanskij, V.Ya., Martio, O., Ryazanov, V.I., Vuorinen, M. (2000)
Annales Academiae Scientiarum Fennicae. Mathematica
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Gutlyanskij, V.Ya., Martio, O., Ryazanov, V.I., Vuorinen, M. (2000)
Annales Academiae Scientiarum Fennicae. Mathematica
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Gehring, F.W., Iwaniec, T. (1999)
Annales Academiae Scientiarum Fennicae. Mathematica
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Rajala, Kai (2004)
Annales Academiae Scientiarum Fennicae. Mathematica
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Robert Kaufman, Jeremy T. Tyson, Jang-Mei Wu (2005)
Publications Mathématiques de l'IHÉS
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According to a theorem of Martio, Rickman and Väisälä, all nonconstant C-smooth quasiregular maps in , ≥3, are local homeomorphisms. Bonk and Heinonen proved that the order of smoothness is sharp in . We prove that the order of smoothness is sharp in . For each ≥5 we construct a C-smooth quasiregular map in with nonempty branch set.
Tadeusz Iwaniec, Carlo Sbordone (2003)
Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni
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Caccioppoli estimates are instrumental in virtually all analytic aspects of the theory of partial differential equations, linear and nonlinear. And there is always something new to add to these estimates. We emphasize the fundamental role of the natural domain of definition of a given differential operator and the associated weak solutions. However, we depart from this usual setting (energy estimates) and move into the realm of the so-called very weak solutions where important new applications...
Ewa Ligocka (1998)
Colloquium Mathematicae
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Mortad, Mohammed Hichem (2007)
JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
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Msehli, N., Rachdi, L.T. (2009)
JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
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S. Campanato, P. Cannarsa (1981)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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