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Global regularity for quasilinear elliptic equations with Morrey data
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- Authors
- Advisor
- 변순식
- Major
- 자연과학대학 수리과학부
- Issue Date
- 2016-02
- Publisher
- 서울대학교 대학원
- Keywords
- Quasilinear elliptic equation ; Global H \"older continuity ; Global gradient estimates ; Morrey spaces ; Irregular domain
- Description
- 학위논문 (박사)-- 서울대학교 대학원 : 수리과학부, 2016. 2. 변순식.
- Abstract
- In this thesis, we deal with general quasilinear $m$-Laplacian type operators in divergence form. The nonlinear terms are given by Carath\'eodory functions which are controlled within data belonging to suitable Morrey spaces.
We first prove global boundedness and H\"older continuity up to the boundary for the weak solutions of such equations, generalizing this way the classical $L^p$-result of Ladyzhenskaya and Ural'tseva to the settings of the Morrey spaces. The boundary of the underlying domain is supposed to satisfy a capacity density condition.
We also derive global gradient estimates in Morrey spaces for the weak solutions to quasilinear equations having $(\delta,R)$-vanishing nonlinearity. In this case, we assume the boundary of the domain considered is Reifenberg flat which includes boundaries with rough fractal structure.
- Language
- English
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