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- Title
An elliptic boundary problem for a system involving a discontinuous weight.
- Authors
Denk, R; Faierman, M; Möller, M
- Abstract
In a recent paper, Agranovich, Denk and Faierman dealt with a priori estimates, completeness, Abel-Lidskii summability, and eigenvalue asymptotics for scalar elliptic boundary eigenvalue problems involving discontinuous weights. Here we extend these results to the matrix valued case with a diagonal discontinuous weight matrix. The given region is subdivided into subregions on which the weights are continuous. Whereas in the scalar case the usual ellipticity conditions suffice to obtain a priori estimates, a counterexample shows that here transmission conditions at the boundaries of the subregions are also needed.
- Publication
Manuscripta Mathematica, 2002, Vol 108, Issue 3, p289
- ISSN
0025-2611
- Publication type
Article
- DOI
10.1007/s002290200264