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Substructuring the Hiptmair-Xu preconditioner for positive Maxwell problems
Published 22 Jun 2023 in math.NA and cs.NA | (2306.13217v1)
Abstract: Considering positive Maxwell problems, we propose a substructured version of the Hiptmair-Xu preconditioner based on a new formula that expresses the inverse of Schur systems in terms of the inverse matrix of the global volume problem.
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