Search results
- 1.0550984 - MÚ 2023 RIV US eng J - Journal Article
Carson, E. - Lund, K. - Rozložník, Miroslav - Thomas, S.
Block Gram-Schmidt algorithms and their stability properties.
Linear Algebra and Its Applications. Roč. 638, April 1 (2022), s. 150-195. ISSN 0024-3795. E-ISSN 1873-1856
R&D Projects: GA ČR(CZ) GA20-01074S
Institutional support: RVO:67985840
Keywords : Gram-Schmidt * Block Krylov subspace methods * stabilityLoss of orthogonality
OECD category: Pure mathematics
Impact factor: 1.1, year: 2022
Method of publishing: Open access
https://doi.org/10.1016/j.laa.2021.12.017
Permanent Link: http://hdl.handle.net/11104/0326259File Download Size Commentary Version Access Rozloznik.pdf 8 1.4 MB Publisher’s postprint open-access - 2.0545475 - MÚ 2022 RIV US eng J - Journal Article
Carson, E. - Lund, K. - Rozložník, Miroslav
The stability of block variants of classical Gram-Schmidt.
SIAM Journal on Matrix Analysis and Applications. Roč. 42, č. 3 (2021), s. 1365-1380. ISSN 0895-4798. E-ISSN 1095-7162
R&D Projects: GA ČR(CZ) GA20-01074S
Institutional support: RVO:67985840
Keywords : Gram-Schmidt * block vectors * block Krylov subspace methods * loss of orthogonality
OECD category: Pure mathematics
Impact factor: 1.908, year: 2021
Method of publishing: Limited access
https://doi.org/10.1137/21M1394424
Permanent Link: http://hdl.handle.net/11104/0322163File Download Size Commentary Version Access Rozloznik1.pdf 7 1.3 MB Publisher’s postprint require - 3.0524496 - ÚGN 2021 RIV US eng J - Journal Article
Kubínová, Marie - Soothalter, K. M.
Admissible and Attainable Convergence Behavior of Block Arnoldi and GMRES.
SIAM Journal on Matrix Analysis and Applications. Roč. 41, č. 2 (2020), s. 464-486. ISSN 0895-4798. E-ISSN 1095-7162
R&D Projects: GA MŠMT LQ1602
Institutional support: RVO:68145535
Keywords : block Krylov subspace methods * multiple right-hand sides * block GMRES * convergence * spectrum * block companion matrix
OECD category: Applied mathematics
Impact factor: 1.944, year: 2020
Method of publishing: Limited access
https://epubs.siam.org/doi/10.1137/19M1272469
Permanent Link: http://hdl.handle.net/11104/0308870File Download Size Commentary Version Access UGN_0524496.pdf 0 529.3 KB Publisher’s postprint require - 4.0520882 - ÚGN 2020 RIV US eng L4 - Software
Kružík, Jakub
PCDeflation.
Internal code: PCDeflation ; 2019
Technical parameters: Jakub Kružík, Ústav geoniky AV ČR, v. v. i. , jakub.kružík@ugn.cas.cz
Economic parameters: Deflační předpodmiňovač v PETSc sloužící ke zrychlení řešení soustav lineárních rovnic
R&D Projects: GA MŠMT LQ1602
Institutional support: RVO:68145535
Keywords : deflaction * preconditioner * Krylov subspace methods
OECD category: Computer sciences, information science, bioinformathics (hardware development to be 2.2, social aspect to be 5.8)
https://www.mcs.anl.gov/petsc/petsc-3.12/docs/manualpages/PC/PCDEFLATION.html
Permanent Link: http://hdl.handle.net/11104/0305555 - 5.0495023 - MÚ 2019 RIV US eng J - Journal Article
Carson, E.T. - Rozložník, Miroslav - Strakoš, Z. - Tichý, P. - Tůma, M.
The numerical stability analysis of pipelined conjugate gradient methods: historical context and methodology.
SIAM Journal on Scientific Computing. Roč. 40, č. 5 (2018), A3549-A3580. ISSN 1064-8275. E-ISSN 1095-7197
Institutional support: RVO:67985840
Keywords : pipelined Krylov subspace methods * pipelined conjugate gradient methods * numerical stability
OECD category: Pure mathematics
Impact factor: 2.310, year: 2018
https://epubs.siam.org/doi/abs/10.1137/16M1103361
Permanent Link: http://hdl.handle.net/11104/0288062File Download Size Commentary Version Access Rozloznik1.pdf 15 19.5 MB Publisher’s postprint require - 6.0492190 - ÚI 2019 RIV CH eng C - Conference Paper (international conference)
Gergelits, Tomáš - Hnětynková, I. - Kubínová, Marie
Relating Computed and Exact Entities in Methods Based on Lanczos Tridiagonalization.
High Performance Computing in Science and Engineering - HPCSE 2017. Cham: Springer, 2018 - (Kozubek, T.; Čermák, M.; Tichý, P.; Blaheta, R.; Šístek, J.; Lukáš, D.; Jaroš, J.), s. 73-87. Lecture Notes in Computer Science, 11087. ISBN 978-3-319-97135-3. ISSN 0302-9743.
[HPCSE 2017: International Conference on High Performance Computing in Science and Engineering /3./. Karolinka (CZ), 22.05.2017-25.05.2017]
Grant - others:GA ČR(CZ) GC17-04150J
Institutional support: RVO:67985807
Keywords : Krylov subspace * CGL * Finite-precision computations * MINRES * Loss of orthogonality * Delay of convergence * Lanczos vectors
OECD category: Applied mathematics
Permanent Link: http://hdl.handle.net/11104/0285734 - 7.0483094 - ÚGN 2019 RIV DE eng C - Conference Paper (international conference)
Axelsson, Owe - Lukáš, D.
Preconditioners for Time-Harmonic Optimal Control Eddy-Current Problems.
Lecture Notes in Computer Science. Berlin: Springer International Publishing AG, 2018, s. 47-54. Large-Scale Scientific Computing, 10665. ISBN 978-3-319-73440-8. ISSN 0302-9743. E-ISSN 1611-3349.
[LSSC 2017 - Large Scale Scientific Computing 2017 /11./. Sozopol (BG), 05.06.2017-09.06.2017]
R&D Projects: GA MŠMT LQ1602
Institutional support: RVO:68145535
Keywords : preconditioning * Krylov subspace methods Optimal control * Eddy currents * time-harmonic
OECD category: Applied mathematics
https://link.springer.com/chapter/10.1007/978-3-319-73441-5_4
Permanent Link: http://hdl.handle.net/11104/0278504File Download Size Commentary Version Access UGN_0483094.pdf 5 294.8 KB Author´s preprint open-access - 8.0448127 - MÚ 2016 RIV GB eng J - Journal Article
Šístek, Jakub - Cirak, F.
Parallel iterative solution of the incompressible Navier-Stokes equations with application to rotating wings.
Computers & Fluids. Roč. 122, 20 November (2015), s. 165-183. ISSN 0045-7930. E-ISSN 1879-0747
R&D Projects: GA ČR GA14-02067S
Institutional support: RVO:67985840
Keywords : Navier-Stokes * incompressible flow * Krylov subspace methods
Subject RIV: BA - General Mathematics
Impact factor: 1.891, year: 2015
http://www.sciencedirect.com/science/article/pii/S0045793015003023
Permanent Link: http://hdl.handle.net/11104/0249850File Download Size Commentary Version Access Sistek3.pdf 3 3.1 MB Publisher’s postprint require - 9.0448099 - ÚI 2016 RIV US eng J - Journal Article
Hnětynková, Iveta - Plešinger, M.
Complex Wedge-Shaped Matrices: A Generalization of Jacobi Matrices.
Linear Algebra and Its Applications. Roč. 487, 15 December (2015), s. 203-219. ISSN 0024-3795. E-ISSN 1873-1856
R&D Projects: GA ČR GA13-06684S
Keywords : eigenvalues * eigenvector * wedge-shaped matrices * generalized Jacobi matrices * band (or block) Krylov subspace methods
Subject RIV: BA - General Mathematics
Impact factor: 0.965, year: 2015
Permanent Link: http://hdl.handle.net/11104/0249820 - 10.0437257 - ÚI 2015 ES eng A - Abstract
Hnětynková, Iveta - Kubínová, Marie
Noise propagation in Golub-Kahan bidiagonalization and its relation to projection methods for solving discrete inverse problems.
Joint ALAMA-GAMM/ANLA 2014 Meeting. Book of abstracts. Barcelona: Universitat Politècnica de Catalunya, 2014.
[Joint ALAMA-GAMM/ANLA 2014 Meeting. 14.07.2014-16.07.2014, Barcelona]
R&D Projects: GA ČR GA13-06684S
Grant - others:GA UK(CZ) 695612
Institutional support: RVO:67985807
Keywords : inverse problems * regularization * Krylov subspace methods * Golub-Kahan bidiagonalization
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0240792File Download Size Commentary Version Access 0437257.pdf 1 659.9 KB Author´s preprint open-access