Is the iterative refinement of eigenelements an expensive technique

DOI10.1016/0377-0427(87)90133-6zbMath0638.65050OpenAlexW2130456483MaRDI QIDQ1099587

Filomena Dias d'Almeida, Maria Joao Rodrigues

Publication date: 1987

Published in: Journal of Computational and Applied Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0377-0427(87)90133-6

zbMATH Keywords

projectionstablesnumerical examplesmatrix eigenproblemPadé approximantsBanach spaceapproximate quadratureiterative refinementcontinuous kernellinear compact integral operatorstrongly stable convergence

Mathematics Subject Classification ID

Numerical methods for integral equations (65R20) Spectrum, resolvent (47A10) Integral operators (45P05) Numerical solutions to equations with linear operators (65J10) Eigenvalue problems for integral equations (45C05) Integral, integro-differential, and pseudodifferential operators (47Gxx)

Cites Work

• The defect correction principle and discretization methods
• Iterative refinement for approximate eigenelements of compact operators
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