Sifuentes, Josef A.; Embree, Mark; Morgan, Ronald B. GMRES convergence for perturbed coefficient matrices, with application to approximate deflation preconditioning. (English) Zbl 1314.65051 SIAM J. Matrix Anal. Appl. 34, No. 3, 1066-1088 (2013). MSC: 65F10 65F08 PDFBibTeX XMLCite \textit{J. A. Sifuentes} et al., SIAM J. Matrix Anal. Appl. 34, No. 3, 1066--1088 (2013; Zbl 1314.65051) Full Text: DOI Link
Embree, Mark; Sifuentes, Josef A.; Soodhalter, Kirk M.; Szyld, Daniel B.; Xue, Fei Short-term recurrence Krylov subspace methods for nearly Hermitian matrices. (English) Zbl 1253.65042 SIAM J. Matrix Anal. Appl. 33, No. 2, 480-500 (2012). MSC: 65F10 65N12 15B57 45B05 45A05 PDFBibTeX XMLCite \textit{M. Embree} et al., SIAM J. Matrix Anal. Appl. 33, No. 2, 480--500 (2012; Zbl 1253.65042) Full Text: DOI Link