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Records found: 55  
Your query: Author Sysno/Doc.kind = "^cav_un_auth 0250754 zj^"
    1.
    0579035 - ÚGN 2024 RIV US eng J - Journal Article
    Axelsson, Owe - Karátson, J. - Magoulès, F.
    Robust Superlinear Krylov Convergence for Complex Noncoercive Compact-Equivalent Operator Preconditioners.
    SIAM Journal on Numerical Analysis. Roč. 61, č. 2 (2023), s. 1057-1079. ISSN 0036-1429. E-ISSN 1095-7170
    Institutional support: RVO:68145535
    Keywords : Krylov iteration * preconditioning * noncoercive operators * mesh independence * shifted Laplace
    OECD category: Applied mathematics
    Impact factor: 2.8, year: 2023 ; AIS: 1.95, rok: 2023
    Method of publishing: Limited access
    Result website:
    https://epubs.siam.org/doi/10.1137/21M1466955DOI: https://doi.org/10.1137/21M1466955
    Permanent Link: https://hdl.handle.net/11104/0347919
     
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    2.
    0556739 - ÚGN 2023 RIV NL eng J - Journal Article
    Liang, Z.-Z. - Axelsson, Owe
    Exact inverse solution techniques for a class of complex valued block two-by-two linear systems.
    Numerical Algorithms. Roč. 90, August 2021 (2022), s. 79-98. ISSN 1017-1398. E-ISSN 1572-9265
    R&D Projects: GA MŠMT LQ1602
    Institutional support: RVO:68145535
    Keywords : complex linear systems * schur complement * matrix factorization * time-harmonic parabolic equation
    OECD category: Applied mathematics
    Impact factor: 2.1, year: 2022 ; AIS: 0.75, rok: 2022
    Method of publishing: Limited access
    Result website:
    https://link.springer.com/content/pdf/10.1007/s11075-021-01180-z.pdf

    DOI: https://doi.org/10.1007/s11075-021-01180-z
    Permanent Link: http://hdl.handle.net/11104/0330901
     
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    3.
    0555974 - ÚGN 2023 RIV IT eng J - Journal Article
    Axelsson, Owe - Pourbagher, M. - Salkuyeh, D.
    Efficient iteration methods for complex systems with an indefinite matrix term.
    Calcolo. Roč. 59, č. 2 (2022), č. článku 15. ISSN 0008-0624. E-ISSN 1126-5434
    Institutional support: RVO:68145535
    Keywords : complex symmetric * indefinite * preconditioner * convergence * splitting
    OECD category: Applied mathematics
    Impact factor: 1.7, year: 2022 ; AIS: 0.808, rok: 2022
    Method of publishing: Limited access
    Result website:
    https://link.springer.com/article/10.1007/s10092-022-00461-wDOI: https://doi.org/10.1007/s10092-022-00461-w
    Permanent Link: http://hdl.handle.net/11104/0330886
     
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    4.
    0549525 - ÚGN 2022 RIV DE eng J - Journal Article
    Axelsson, Owe - Karátson, J.
    Krylov improvements of the Uzawa method for Stokes type operator matrices.
    Numerische Mathematik. Roč. 148, č. 3 (2021), s. 611-631. ISSN 0029-599X. E-ISSN 0945-3245
    EU Projects: European Commission(XE) 847593 - EURAD
    Institutional support: RVO:68145535
    Keywords : Krylov type modifications * superlinear convergence * preconditioners * Uzawa method
    OECD category: Applied mathematics
    Impact factor: 2.500, year: 2021 ; AIS: 1.544, rok: 2021
    Method of publishing: Open access
    Result website:
    https://link.springer.com/article/10.1007%2Fs00211-021-01208-5DOI: https://doi.org/10.1007/s00211-021-01208-5
    Permanent Link: http://hdl.handle.net/11104/0325522
     
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    5.
    0543695 - ÚGN 2022 RIV NL eng J - Journal Article
    Axelsson, Owe - Béreš, Michal - Blaheta, Radim
    Computational methods for boundary optimal control and identification problems.
    Mathematics and Computers in Simulation. Roč. 189, November 2021 (2021), s. 276-290. ISSN 0378-4754. E-ISSN 1872-7166
    R&D Projects: GA MŠMT LQ1602
    EU Projects: European Commission(XE) 847593 - EURAD
    Institutional support: RVO:68145535
    Keywords : parameter identification * optimal control * iterative solution * preconditioning
    OECD category: Applied mathematics
    Impact factor: 3.601, year: 2021 ; AIS: 0.558, rok: 2021
    Method of publishing: Limited access
    Result website:
    https://www.sciencedirect.com/science/article/pii/S0378475421000586DOI: https://doi.org/10.1016/j.matcom.2021.02.019
    Permanent Link: http://hdl.handle.net/11104/0320873
     
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    UGN_0543695_2.pdf102.5 MBAuthor’s postprintopen-access
     
    6.
    0534467 - ÚGN 2021 RIV NL eng J - Journal Article
    Axelsson, Owe - Liang, Z.-Z. - Kružík, Jakub - Horák, David
    Inner product free iterative solution and elimination methods for linear systems of a three-by-three block matrix form.
    Journal of Computational and Applied Mathematics. Roč. 383, February 2021 (2021), č. článku 113117. ISSN 0377-0427. E-ISSN 1879-1778
    R&D Projects: GA MŠMT LQ1602
    Institutional support: RVO:68145535
    Keywords : PDE-constrained optimization * iterative solution * preconditioning * global communication * inner product free * parallel efficiency
    OECD category: Applied mathematics
    Impact factor: 2.872, year: 2021 ; AIS: 0.659, rok: 2021
    Method of publishing: Limited access
    Result website:
    https://www.sciencedirect.com/science/article/pii/S0377042720304088DOI: https://doi.org/10.1016/j.cam.2020.113117
    Permanent Link: http://hdl.handle.net/11104/0312661
     
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    7.
    0534464 - ÚGN 2021 RIV DE eng J - Journal Article
    Axelsson, Owe - Karátson, J.
    Superior properties of the PRESB preconditioner for operators on two-by-two block form with square blocks.
    Numerische Mathematik. Roč. 146, č. 2 (2020), s. 335-368. ISSN 0029-599X. E-ISSN 0945-3245
    R&D Projects: GA MŠMT LQ1602
    Institutional support: RVO:68145535
    Keywords : preconditioner * PRESB method * superlinear convergence
    OECD category: Applied mathematics
    Impact factor: 2.223, year: 2020 ; AIS: 1.628, rok: 2020
    Method of publishing: Open access
    Result website:
    https://link.springer.com/article/10.1007%2Fs00211-020-01143-xDOI: https://doi.org/10.1007/s00211-020-01143-x
    Permanent Link: http://hdl.handle.net/11104/0312653
     
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    UGN_0534464.pdf2374.8 KBPublisher’s postprintopen-access
     
    8.
    0534435 - ÚGN 2021 RIV CN eng J - Journal Article
    Axelsson, Owe - Salkuyeh, D.K.
    A new iteration and preconditioning method for elliptic PDE-constrained optimization problems.
    Numerical Mathematics. Roč. 13, č. 4 (2020), s. 1098-1122. ISSN 1004-8979. E-ISSN 2079-7338
    R&D Projects: GA MŠMT LQ1602
    Institutional support: RVO:68145535
    Keywords : preconditioner * hybrid * PRESB * GMRES * PDE-constrained optimization * optimization
    OECD category: Applied mathematics
    Impact factor: 1.210, year: 2020 ; AIS: 0.484, rok: 2020
    Method of publishing: Limited access
    Result website:
    http://www.global-sci.org/intro/article_detail/nmtma/16968.htmlDOI: https://doi.org/10.4208/nmtma.OA-2020-0016
    Permanent Link: http://hdl.handle.net/11104/0312629
     
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    9.
    0534421 - ÚGN 2021 RIV NL eng J - Journal Article
    Axelsson, Owe
    Extensions of a coarse–fine mesh stabilized Schwarz alternating iteration domain decomposition method.
    Journal of Computational and Applied Mathematics. Roč. 364, January 2020 (2020), č. článku 112341. ISSN 0377-0427. E-ISSN 1879-1778
    R&D Projects: GA MŠMT LQ1602
    Institutional support: RVO:68145535
    Keywords : striped domain decomposition * Schwarz method * maximal overlap * coarse–fine mesh stabilization * three dimensional problems * porous media
    OECD category: Applied mathematics
    Impact factor: 2.621, year: 2020 ; AIS: 0.696, rok: 2020
    Method of publishing: Limited access
    Result website:
    https://www.sciencedirect.com/science/article/pii/S0377042719303383DOI: https://doi.org/10.1016/j.cam.2019.112341
    Permanent Link: http://hdl.handle.net/11104/0312620
     
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    10.
    0534408 - ÚGN 2021 RIV GB eng J - Journal Article
    Axelsson, Owe
    Optimality properties of a square block matrix preconditioner with applications.
    Computers & Mathematics With Applications. Roč. 80, č. 2 (2020), s. 286-294. ISSN 0898-1221. E-ISSN 1873-7668
    R&D Projects: GA MŠMT LQ1602
    Institutional support: RVO:68145535
    Keywords : preconditioning * square block matrices * optimal control * subspace observation and control
    OECD category: Applied mathematics
    Impact factor: 3.476, year: 2020 ; AIS: 0.928, rok: 2020
    Method of publishing: Limited access
    Result website:
    https://www.sciencedirect.com/science/article/pii/S0898122119304808DOI: https://doi.org/10.1016/j.camwa.2019.09.024
    Permanent Link: http://hdl.handle.net/11104/0312608
     
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