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Corrigendum to Preconditioners for regularized saddle point problems with an application for heterogeneous Darcy flow problems
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SYSNO ASEP 0468122 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Corrigendum to Preconditioners for regularized saddle point problems with an application for heterogeneous Darcy flow problems Author(s) Axelsson, Owe (UGN-S) RID
Blaheta, Radim (UGN-S) RID, SAI, ORCIDNumber of authors 2 Source Title Journal of Computational and Applied Mathematics. - : Elsevier - ISSN 0377-0427
Roč. 298, May 2016 (2016), s. 252-255Number of pages 4 s. Publication form Online - E Language eng - English Country NL - Netherlands Keywords saddle point systems ; conditions of nonsingularity ; spectrum of preconditioned systems Subject RIV BA - General Mathematics R&D Projects ED1.1.00/02.0070 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UGN-S - RVO:68145535 DOI 10.1016/j.cam.2015.11.034 Annotation After a recent publication of our paper (Axelsson et al., 2015), we found two incorrect/
incomplete statements in Section 2 of the paper. These statements do not have an
influence on the rest, i.e. the major part of the paper, but we feel that it is proper to publish
a corrigendum. The considered statements concern first the conditions of nonsingularity of
a nonsymmetric saddle point system, second the number of unit eigenvalues of a preconditioned
system. The correct statements are presented in this short communication.Workplace Institute of Geonics Contact Lucie Gurková, lucie.gurkova@ugn.cas.cz, Tel.: 596 979 354 Year of Publishing 2017 Electronic address http://www.sciencedirect.com/science/article/pii/S0377042715005889
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