Keywords:
- Approximate inverses
- delay of convergence
- exascale computations.
- Gram–Schmidt orthogonalization
- incomplete factorization
- incomplete factorizations
- indefinite symmetric systems
- inexact computations
- iterative solvers
- Krylov subspace methods
- maximal attainable accuracy
- numerical stability
- pipelined Krylov subspace methods
- preconditioned iterative methods
- preconditioning
- sparse linear systems
- sparse matrices
- the conjugate gradient method
Publications of Tůma, Miroslav
2018
| , , , and , The Numerical Stability Analysis of Pipelined Conjugate Gradient Methods: Historical Context and Methodology (2018), in: SIAM J. Sci. Comput., 40:5(A3549–A3580) |
[DOI] [URL] |
2017
| , and , An adaptive multilevel factorized sparse approximate inverse preconditioning (2017), in: Advances in Engineering Software, 113(19-24) |
[DOI] |
2016
| , and , Factorized approximate inverses with adaptive dropping (2016), in: SIAM Journal on Scientific Computing, 38:3(A1807–A1820) |
[DOI] |
| and , Preconditioning of linear least squares by robust incomplete factorization for implicitly held normal equations (2016), in: SIAM Journal on Scientific Computing, 38:6(C603–C623) |
[DOI] |
2015
| and , Solving symmetric indefinite systems using memory efficient incomplete factorization preconditioners, 2015 |
[URL] |
2014
| and , On Incremental Condition Estimators in the 2-Norm (2014), in: SIAM. J. Matrix Anal. & Appl., 35:1(174--197) |
[DOI] |