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Algebraic spectral multigrid methods |
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| Authors: | Wilhelm Heinrichs |
| Affiliation: | Mathematisches Institut der Universität Düsseldorf, Universitätsstr. 1, 4000, Düsseldorf, Fed. Rep. Germany |
| Abstract: | For the Helmholtz equation a spectral discretization with a symmetric and sparse matrix is presented. Certain algebraic spectral multigrid methods can be efficiently used for solving the linear systems. |
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