Summary
A new variant of the multi-grid algorithms is presented. It uses multiple coarse-grid corrections with particularly associated prolongations and restrictions. In this paper the robustness with respect to anisotropic problems is considered.
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Dedicated to the memory of Peter Henrici
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Hackbusch, W. The frequency decomposition multi-grid method. Numer. Math. 56, 229–245 (1989). https://doi.org/10.1007/BF01409786
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DOI: https://doi.org/10.1007/BF01409786