Acta Mathematica · 1993 · 222 citations · 19 references
Spectral TheoryQuasiregular MappingsEngineeringQuasiregular Mappings 12.SomeIntroduction 1Global AnalysisFunctional AnalysisQuasiconformal MappingQuasiregular Mappings 5Nonlinear Functional Analysis
O. Introduction 1. Notation 2. Some exterior algebra 3. Differential forms in Lnm (i2, A n) 4. Differential systems for quasiregular mappings 5. Liouville Theorem in even dimensions 6. Hodge theory in LP(R n) 7. The Beltrami equation in even dimensions 8.The Beurling-Ahlfors operator 9. Regularity theorems for quasiregular mappings 10.The Caccioppoli type estimate 11.Removability theorems for quasiregular mappings 12.Some examples Appendix: The 4-dimensional case
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Conformal invariants and function-theoretic null-sets
Lars V. Ahlfors, Arne Beurling · Acta Mathematica · 1950 · 409 citations · Full text