Mathew, T. P.; Sarkis, M.; Schaerer, C. E. Analysis of block matrix preconditioners for elliptic optimal control problems. (English) Zbl 1199.65218 Numer. Linear Algebra Appl. 14, No. 4, 257-279 (2007). MSC: 65K10 65F10 65F50 49N10 49M25 PDFBibTeX XMLCite \textit{T. P. Mathew} et al., Numer. Linear Algebra Appl. 14, No. 4, 257--279 (2007; Zbl 1199.65218) Full Text: DOI
Hadjidimos, A.; Lapidakis, M. Stationary biparametric ADI preconditioners for conjugate gradient methods. (English) Zbl 1120.65036 J. Comput. Appl. Math. 205, No. 1, 364-381 (2007). MSC: 65F10 65F35 35J25 65N06 PDFBibTeX XMLCite \textit{A. Hadjidimos} and \textit{M. Lapidakis}, J. Comput. Appl. Math. 205, No. 1, 364--381 (2007; Zbl 1120.65036) Full Text: DOI