Weighted L^p theory for vector potential operators in three-dimensional exterior domains
Abstract
In the present paper we study the vector potential problem in exterior domains of R^3. Our approach is based on the use of weighted spaces in order to describe the behaviour of functions at infinity. As a first step of the investigation, we prove important results on the Laplace equation in exterior domains with Dirichlet or Neumann boundary conditions. As a consequence of the obtained results on the vector potential problem, we establish usefull results on weighted Sobolev inequalities and Helmholtz decompositions of weighted spaces.
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