We continue a program to develop layer potential techniques for PDE on Lipschitz domains in Riemannian manifolds. Building on L p and Hardy space estimates established in previous papers, here we establish Sobolev and Besov space estimates on solutions to the Dirichlet and Neumann problems for the L
Boundary Layer Methods for Lipschitz Domains in Riemannian Manifolds
β Scribed by Marius Mitrea; Michael Taylor
- Publisher
- Elsevier Science
- Year
- 1999
- Tongue
- English
- Weight
- 401 KB
- Volume
- 163
- Category
- Article
- ISSN
- 0022-1236
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β¦ Synopsis
We extend to the variable coefficient case boundary layer techniques that have been successful in the treatment of the Laplace equation and certain other constant coefficient elliptic partial differential equations on Lipschitz domains in Euclidean space. We treat the Laplace operator on Lipschitz domains in a manifold with C 1 metric tensor and study the Dirichlet, Neumann, and oblique derivative boundary problems.
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Derivative formulae for heat semigroups are used to give gradient estimates for harmonic functions on regular domains in Riemannian manifolds. This probabilistic method provides an alternative to coupling techniques, as introduced by Cranston, and allows us to improve some known estimates. We discus
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