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- 1.0456004 - 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 - 2.0446431 - ÚI 2016 RIV RO eng J - Journal Article
Bru, R. - Cerdán, J. - Marín, J. - Mas, J. - Tůma, Miroslav
Preconditioners Based on the ISM Factorization.
Analele Stiintifice ale Universitatii Ovidius Constanta-Seria Matematica. Roč. 23, č. 3 (2015), s. 17-27. ISSN 1224-1784. E-ISSN 1844-0835
R&D Projects: GA ČR GA13-06684S
Institutional support: RVO:67985807
Keywords : preconditioned iterative methods * incomplete decompositions * approximate inverses * linear least squares
Subject RIV: BA - General Mathematics
Impact factor: 0.383, year: 2015
http://emis.muni.cz/journals/ASUO/mathematics_/anale2015vol3/Bru_R.__Cerdan_J.__Marin_J.__Mas_J.__Tuma_M..pdf
Permanent Link: http://hdl.handle.net/11104/0248521 - 3.0436641 - ÚI 2015 CZ eng A - Abstract
Tůma, Miroslav
On Incomplete Symmetric Decompositions.
Modelling 2014. Ostrava: Ústav geoniky AV ČR, 2014 - (Blaheta, R.; Starý, J.; Sysalová, D.). s. 74-75. ISBN 978-80-86407-47-0.
[Modelling 2014. 02.06.2014-06.06.2014, Rožnov pod Radhoštěm]
R&D Projects: GA ČR GA13-06684S; GA ČR(CZ) GAP108/11/0853
Grant - others:EPSRC(GB) EP/I013067/1
Institutional support: RVO:67985807
Keywords : preconditioning * sparse linear systems * incomplete decompositions * preconditioned iterative methods * symmetric and positive definite matrices
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0240331File Download Size Commentary Version Access 0436641.pdf 1 161.3 KB Publisher’s postprint open-access - 4.0432761 - ÚI 2015 RIV US eng J - Journal Article
Bru, R. - Marín, J. - Mas, J. - Tůma, Miroslav
Preconditioned Iterative Methods for Solving Weighted Linear Least Squares Problems.
SIAM Journal on Scientific Computing. Roč. 36, č. 4 (2014), A2002-A2022. ISSN 1064-8275. E-ISSN 1095-7197
Institutional support: RVO:67985807
Keywords : preconditioned iterative methods * incomplete decompositions * approximate inverses * linear least squares
Subject RIV: BA - General Mathematics
Impact factor: 1.854, year: 2014
Permanent Link: http://hdl.handle.net/11104/0237134File Download Size Commentary Version Access 0432761.pdf 3 734.8 KB Author´s preprint open-access - 5.0422618 - ÚI 2015 RIV US eng J - Journal Article
Scott, J. - Tůma, Miroslav
HSL MI28: An Efficient and Robust Limited-Memory Incomplete Cholesky Factorization Code.
ACM Transactions on Mathematical Software. Roč. 40, č. 4 (2014), Article number 24. ISSN 0098-3500. E-ISSN 1557-7295
R&D Projects: GA ČR GA13-06684S
Grant - others:EPSRC(GB) EP/I013067/1
Institutional support: RVO:67985807
Keywords : preconditioning * sparse linear systems * incomplete decompositions * preconditioned iterative methods
Subject RIV: IN - Informatics, Computer Science
Impact factor: 1.863, year: 2014
Permanent Link: http://hdl.handle.net/11104/0228782File Download Size Commentary Version Access 0422618.pdf 0 1 MB Author´s preprint require - 6.0405535 - UIVT-O 330913 SIGLE CZ eng V - Research Report
Duintjer Tebbens, Jurjen - Tůma, Miroslav
Preconditioner Updates for Solving Sequences of Large and Sparse Nonsymmetric Linear Systems.
Prague: ICS AS CR, 2005. 19 s. Technical Report, V-940.
R&D Projects: GA AV ČR 1ET400300415
Institutional research plan: CEZ:AV0Z10300504
Keywords : preconditioned iterative methods * sparse matrices * sequences of linear algebraic systems * incomplete factorizations * factorization updates * Gauss-Jordan transformations * minimum spanning tree
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0125693File Download Size Commentary Version Access v940-05.pdf 15 289.1 KB Other open-access - 7.0403654 - UIVT-O 990053 RIV US eng C - Conference Paper (international conference)
Benzi, M. - Marín, J. - Tůma, Miroslav
A Two-Level Parallel Preconditioner Based on Sparse Approximate Inverses.
Iterative Methods in Scientific Computation IV. New Jersey: IMACS, 1999 - (Kincaid, D.; Elster, A.), s. 167-178. IMACS Series in Computational and Applied Mathematics, 5. ISSN 1098-870X.
[IMACS International Symposium on Iterative Methods in Scientific Computation. Austin (US), 18.10.1999-20.10.1999]
R&D Projects: GA AV ČR IAA2030706; GA ČR GA205/96/0921
Institutional research plan: AV0Z1030915
Keywords : sparse linear systems * preconditioned iterative methods * AINV * graph partitioning
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0123952 - 8.0382253 - ÚI 2013 ES eng A - Abstract
Tůma, Miroslav - Bru, R. - Mas, J. - Marín, J.
Preconditioning for linear least-squares problems.
SIAM Conference on Applied Linear Algebra Abstracts. Valencia: Universitat Politecnica de Valencia, 2012. s. 52.
[SIAM Conference on Applied Linear Algebra. 18.06.2012-22.06.2012, Valencia]
Institutional support: RVO:67985807
Keywords : preconditioning * sparse linear systems * incomplete decompositions * preconditioned iterative methods * linear least squares
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0212528File Download Size Commentary Version Access a0382253.pdf 0 40.5 KB Publisher’s postprint open-access - 9.0376229 - ÚI 2013 CZ eng K - Conference Paper (Czech conference)
Tůma, Miroslav
Direct Methods and Algebraic Preconditioners for Solving Large and Sparse Systems of Linear Equations.
Seminar on Numerical Analysis. Modelling and Simulation of Challenging Engineering Problems. Liberec: Technical University, 2012, s. 232-252. ISBN 978-80-7372-821-2.
[SNA ’12. Seminar on Numerical Analysis. Liberec (CZ), 23.01.2012-27.01.2012]
R&D Projects: GA ČR(CZ) GAP108/11/0853
Institutional research plan: CEZ:AV0Z10300504
Keywords : direct methods * sparse linear systems * incomplete decompositions * preconditioned iterative methods
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0208690File Download Size Commentary Version Access a0376229.pdf 0 933.7 KB Publisher’s postprint require - 10.0368667 - ÚI 2012 DE eng A - Abstract
Tůma, Miroslav
Mixed Direct-Inverse Decompositions and Applications.
17th Conference of the International Linear Algebra Society (ILAS). Abstracts. Braunschweig, 2011. s. 88.
[ILAS 2011. Conference of the International Linear Algebra Society /17./. 22.08.2011-25.08.2011, Braunschweig]
Institutional research plan: CEZ:AV0Z10300504
Keywords : approximate inverse decompositions * preconditioning * sparse linear systems * incomplete decompositions * preconditioned iterative methods
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0202953File Download Size Commentary Version Access a0368667.pdf 0 1.7 MB Publisher’s postprint open-access