Recently [ 6 ] an existence as well as a uniqueness theorem for the discontinuous oblique derivative problem for nonlinear elliptic system of first order in the plane, see [12, 19, 231 wa.s proved, based on some a priori estimate from [ZO]. This estjmate, however, i Y deduced by reductio ad absurdum
β¦ LIBER β¦
On the regularity of the oblique derivative problem for quasilinear elliptic systems
β Scribed by A. A. Arkhipova
- Publisher
- Springer US
- Year
- 1997
- Tongue
- English
- Weight
- 319 KB
- Volume
- 84
- Category
- Article
- ISSN
- 1573-8795
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## Abstract In this paper we prove a comparison principle between the semicontinuous viscosity subβ and supersolutions of the tangential oblique derivative problem and the mixed DirichletβNeumann problem for fully nonlinear elliptic equations. By means of the comparison principle, the existence of
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