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- 1.0473670 - ÚI 2018 RIV NL eng J - Journal Article
Kopal, Jiří - Rozložník, Miroslav - Tůma, Miroslav
An Adaptive Multilevel Factorized Sparse Approximate Inverse Preconditioning.
Advances in Engineering Software. Roč. 113, November (2017), s. 19-24. ISSN 0965-9978. E-ISSN 1873-5339
R&D Projects: GA ČR GA13-06684S
Grant - others:GA MŠk(CZ) LL1202
Institutional support: RVO:67985807
Keywords : approximate inverse * Gram–Schmidt orthogonalization * incomplete factorization * multilevel methods * preconditioned conjugate gradient method
OECD category: Applied mathematics
Impact factor: 3.198, year: 2017
Permanent Link: http://hdl.handle.net/11104/0270800 - 2.0456004 - ÚI 2017 RIV US eng J - Journal Article
Kopal, Jiří - Rozložník, Miroslav - Tůma, Miroslav
Factorized Approximate Inverses With Adaptive Dropping.
SIAM Journal on Scientific Computing. Roč. 38, č. 3 (2016), A1807-A1820. ISSN 1064-8275. E-ISSN 1095-7197
R&D Projects: GA ČR GA13-06684S
Grant - others:GA MŠk(CZ) LL1202
Institutional support: RVO:67985807
Keywords : approximate inverses * incomplete factorization * Gram–Schmidt orthogonalization * preconditioned iterative methods
Subject RIV: BA - General Mathematics
Impact factor: 2.195, year: 2016
Permanent Link: http://hdl.handle.net/11104/0256585File Download Size Commentary Version Access 0456004.pdf 1 8.8 MB Author´s preprint require a0456004.pdf 10 1.2 MB Publisher’s postprint require - 3.0404727 - UIVT-O 20030115 RIV US eng J - Journal Article
Benzi, M. - Tůma, Miroslav
A Robust Preconditioner with Low Memory Requirements for Large Sparse Least Squares Problems.
SIAM Journal on Scientific Computing. Roč. 25, č. 2 (2003), s. 499-512. ISSN 1064-8275. E-ISSN 1095-7197
R&D Projects: GA AV ČR IAA1030103; GA AV ČR IAA2030801
Institutional research plan: AV0Z1030915
Keywords : large sparse least squares problems * preconditioned CGLS * robust incomplete factorization * incomplete C-orthogonalization * incomplete QR
Subject RIV: BA - General Mathematics
Impact factor: 1.379, year: 2003
Permanent Link: http://hdl.handle.net/11104/0124965File Download Size Commentary Version Access 0404727.pdf 0 682.1 KB Author´s preprint open-access - 4.0404726 - UIVT-O 20030114 RIV GB eng J - Journal Article
Benzi, M. - Tůma, Miroslav
A Robust Incomplete Factorization Preconditioner for Positive Definite Matrices.
Numerical Linear Algebra with Applications. Roč. 10, - (2003), s. 385-400. ISSN 1070-5325. E-ISSN 1099-1506
R&D Projects: GA AV ČR IAA2030801; GA AV ČR IAA1030103
Institutional research plan: AV0Z1030915
Keywords : sparse linear systems * positive definite matrices * preconditioned conjugate gradients * incomplete factorization * A-orthogonalization * SAINV
Subject RIV: BA - General Mathematics
Impact factor: 1.042, year: 2003
Permanent Link: http://hdl.handle.net/11104/0124964File Download Size Commentary Version Access 0404726.pdf 1 726.5 KB Author´s preprint open-access - 5.0329243 - ÚI 2010 FR eng A - Abstract
Duintjer Tebbens, Jurjen
On a black-box preconditioner update for solving sequences of nonsymmetric linear systems in matrix-free environment.
Winter school "New trends in scientific computing". Marseille: Université Paul Cézanne, 2009.
[Winter school "New trends in scientific computing". 09.02.2009-13.02.2009, Marseille]
Institutional research plan: CEZ:AV0Z10300504
Keywords : preconditioning * sequences of linear systems * matrix-free implementation * nonsymmetric linear systems * incomplete factorization
http://www.latp.univ-mrs.fr/cirm09/semaine2.html
Permanent Link: http://hdl.handle.net/11104/0175332 - 6.0329229 - ÚI 2010 CZ eng A - Abstract
Duintjer Tebbens, Jurjen - Tůma, Miroslav
On an Approximate Preconditioner Update for Sequences of Large Nonsymmetric linear Systems.
Modelling 2009. Ostrava: Institute of Geonics AS CR, 2009 - (Blaheta, R.; Starý, J.). s. 79-80. ISBN 978-80-86407-66-1.
[Modelling 2009. IMACS Conference on Mathematical Modelling and Computational Methods in Applied Sciences and Engineering /4./. 22.06.2009-26.06.2009, Rožnov pod Radhoštěm]
R&D Projects: GA AV ČR KJB100300703
Institutional research plan: CEZ:AV0Z10300504
Keywords : preconditioned iterative methods * sequences of linear algebraic systems * incomplete factorization * factorization updates
Permanent Link: http://hdl.handle.net/11104/0175322 - 7.0321397 - ÚI 2009 CZ eng A - Abstract
Duintjer Tebbens, Jurjen - Tůma, Miroslav
Using triangular preconditioner updates in matrix-free implementations.
SNA '09 - Seminar on Numerical Analysis & Winter School. Ostrava: Institute of Geonics AS CR, 2009 - (Blaheta, R.; Starý, J.). s. 90-94. ISBN 978-80-86407-60-9.
[SNA '09 - Seminar on numerical analysis: modelling and simulation of challenging engineering problems. 02.02.2009-06.02.2009, Ostrava]
R&D Projects: GA AV ČR KJB100300703; GA AV ČR IAA100300802
Institutional research plan: CEZ:AV0Z10300504
Keywords : preconditioned iterative methods * sequences of linear algebraic systems * incomplete factorization * factorization updates * matrix-free implementation
http://www.ugn.cas.cz/events/2009/sna/sbornik.pdf
Permanent Link: http://hdl.handle.net/11104/0169959 - 8.0092794 - ÚI 2008 FR eng A - Abstract
Duintjer Tebbens, Jurjen - Tůma, Miroslav
Preconditioning of Iterative Methods for Solving Sequences of Linear Systems.
Combinatorial Scientific Computing. Toulouse: CERFACS, 2005. s. 1-2.
[CSC 05. International Workshop on Combinatorial Scientific Computing /2./. 21.06.2005-23.06.2005, Toulouse]
Institutional research plan: CEZ:AV0Z10300504
Keywords : preconditioned iterative methods * sequences of linear algebraic systems * incomplete factorization * factorization updates
http://www.cerfacs.fr/algor/CSC05/schedule.html
Permanent Link: http://hdl.handle.net/11104/0153021