A spectral analysis of subspace enhanced preconditioners
DOI10.1007/s10915-015-0029-0zbMath1341.65012arXiv1304.2010OpenAlexW2151094239MaRDI QIDQ283325
Publication date: 13 May 2016
Published in: Journal of Scientific Computing (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/1304.2010
eigenvaluenumerical exampleseigenvectordomain decompositionspectrumpreconditionerperturbation analysiscoarse space
Continua and generalizations (54F15) Inequalities involving eigenvalues and eigenvectors (15A42) Eigenvalues, singular values, and eigenvectors (15A18) Positive matrices and their generalizations; cones of matrices (15B48) Preconditioners for iterative methods (65F08)
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