Search results
- 1.0479231 - ÚT 2018 RIV NL eng J - Journal Article
Pařík, Petr - Plešek, Jiří
Sparse direct solver for large finite element problems based on the minimum degree algorithm.
Advances in Engineering Software. Roč. 113, November (2017), s. 2-6. ISSN 0965-9978. E-ISSN 1873-5339
R&D Projects: GA ČR(CZ) GA15-20666S; GA MŠMT(CZ) EF15_003/0000493
Institutional support: RVO:61388998
Keywords : sparse direct solution * finite element method * large sparse Linear systems
OECD category: Mechanical engineering
Impact factor: 3.198, year: 2017
https://www.sciencedirect.com/science/article/pii/S0965997817302582
Permanent Link: http://hdl.handle.net/11104/0275659 - 2.0474267 - ÚI 2018 RIV GB eng J - Journal Article
Scott, J. - Tůma, Miroslav
Improving the Stability and Robustness of Incomplete Symmetric Indefinite Factorization Preconditioners.
Numerical Linear Algebra with Applications. Roč. 24, č. 5 (2017), č. článku e2099. ISSN 1070-5325. E-ISSN 1099-1506
Grant - others:GA ČR(CZ) GC17-04150J; GA ČR(CZ) GC17-04150J; EPSRC(GB) EP/I013067/1
Institutional support: RVO:67985807
Keywords : incomplete factorizations * indefinite symmetric systems * iterative solvers * pivoting * preconditioning * sparse linear systems * sparse matrices
OECD category: Applied mathematics
Impact factor: 1.281, year: 2017
Permanent Link: http://hdl.handle.net/11104/0271387File Download Size Commentary Version Access a0474267.pdf 6 616.9 KB Publisher’s postprint require - 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 - 4.0432737 - ÚI 2015 RIV US eng J - Journal Article
Scott, J. - Tůma, Miroslav
On Signed Incomplete Cholesky Factorization Preconditioners for Saddle-Point Systems.
SIAM Journal on Scientific Computing. Roč. 36, č. 6 (2014), A2984-A3010. ISSN 1064-8275. E-ISSN 1095-7197
R&D Projects: GA ČR GA13-06684S
Grant - others:EPSRC(GB) EP/I013067/1
Program: GA
Institutional support: RVO:67985807
Keywords : sparse matrices * sparse linear systems * indefinite symmetric systems * saddle-point systems * iterative solvers * preconditioning * incomplete Cholesky factorization
Subject RIV: BA - General Mathematics
Impact factor: 1.854, year: 2014
Permanent Link: http://hdl.handle.net/11104/0237112 - 5.0428296 - ÚI 2015 RIV US eng J - Journal Article
Scott, J. - Tůma, Miroslav
On Positive Semidefinite Modification Schemes for Incomplete Cholesky Factorization.
SIAM Journal on Scientific Computing. Roč. 36, č. 2 (2014), A609-A633. ISSN 1064-8275. E-ISSN 1095-7197
R&D Projects: GA ČR GA13-06684S
Institutional support: RVO:67985807
Keywords : sparse matrices * sparse linear systems * positive-definite symmetric systems * iterative solvers * preconditioning * incomplete Cholesky factorization
Subject RIV: BA - General Mathematics
Impact factor: 1.854, year: 2014
Permanent Link: http://hdl.handle.net/11104/0233652File Download Size Commentary Version Access 0428296.pdf 5 1.3 MB Author´s preprint open-access - 6.0427228 - ÚI 2015 GB eng V - Research Report
Scott, J. - Tůma, Miroslav
On positive semidefinite modification schemes for incomplete Cholesky factorization.
Rutherford Appleton Laboratory, 2013. 23 s. Preprint, RAL-TR-2013-P-005. ISBN 1361- 4762
R&D Projects: GA ČR GA13-06684S
Institutional support: RVO:67985807
Keywords : sparse matrices * sparse linear systems * positive-definite symmetric systems * iterative solvers * preconditioning * incomplete Cholesky factorization
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0232826 - 7.0427226 - ÚI 2015 GB eng V - Research Report
Scott, J. - Tůma, Miroslav
On signed incomplete Cholesky factorization preconditioners for saddle-point systems.
Rutherford Appleton Laboratory, 2014. 23 s. Preprint, RAL-P-2014-003. ISBN 1361- 4762
R&D Projects: GA ČR GA13-06684S
Institutional support: RVO:67985807
Keywords : sparse matrices * sparse linear systems * indenite symmetric systems * saddle-point systems * iterative solvers * preconditioning * incomplete Cholesky factorization
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0232825File Download Size Commentary Version Access RAL-P-2014-003.pdf 0 516.1 KB Other open-access - 8.0422618 - 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 - 9.0404726 - 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 - 10.0404551 - UIVT-O 20010170 RIV DE eng C - Conference Paper (international conference)
Maryška, Jiří - Rozložník, Miroslav - Tůma, Miroslav
Primal vs. Dual Variable Approach for Mixed-Hybrid Finite Element Approximation of the Potential Fluid Flow Problem in Porous Media.
Large-Scale Scientific Computing. Berlin: SpringerVerlag, 2001 - (Margenov, S.; Wasniewski, J.; Yalamov, P.), s. 417-424. Lecture Notes in Computer Science, 2179. ISBN 3-540-43043-1. ISSN 0302-9743.
[LSSC International Conference /3./. Sozopol (BG), 06.06.2001-10.06.2001]
R&D Projects: GA ČR GA101/00/1035; GA AV ČR IAA1030103
Institutional research plan: AV0Z1030915
Keywords : mixed-hybrid element discretization * potential fluid flow * Schur complement methods * large sparse linear systems
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0124800