Miroslav Tuma

Publication Activity (10 Years)

Years Active: 1985-2024
Publications (10 Years): 17

Top Topics

Conjugate Gradient

Iterative Methods

Linear Least Squares

Top Venues

SIAM J. Sci. Comput.

ACM Trans. Math. Softw.

Numer. Algorithms

Publications

Jennifer A. Scott, Miroslav Tuma
Avoiding breakdown in incomplete factorizations in low precision arithmetic. CoRR (2024)
Jennifer A. Scott, Miroslav Tuma
A note on incomplete Cholesky factorizations in half precision arithmetic. CoRR (2024)
Martin Spisák, Radek Bartyzal, Antonín Hoskovec, Ladislav Peska, Miroslav Tuma
Scalable Approximate NonSymmetric Autoencoder for Collaborative Filtering. RecSys (2023)
Jennifer A. Scott, Miroslav Tuma
A null-space approach for large-scale symmetric saddle point systems with a small and non zero (2, 2) block. Numer. Algorithms 90 (4) (2022)
Jennifer A. Scott, Miroslav Tuma
A Computational Study of Using Black-box QR Solvers for Large-scale Sparse-dense Linear Least Squares Problems. ACM Trans. Math. Softw. 48 (1) (2022)
Jennifer A. Scott, Miroslav Tuma
Strengths and Limitations of Stretching for Least-squares Problems with Some Dense Rows. ACM Trans. Math. Softw. 47 (1) (2021)
Jennifer A. Scott, Miroslav Tuma
Solving large linear least squares with linear equality constraints. CoRR (2021)
Jennifer A. Scott, Miroslav Tuma
Sparse Stretching for Solving Sparse-Dense Linear Least-Squares Problems. SIAM J. Sci. Comput. 41 (3) (2019)
Robert Cimrman, Matyás Novák, Radek Kolman, Miroslav Tuma, Jirí Plesek, Jirí Vackár
Convergence study of isogeometric analysis based on Bézier extraction in electronic structure calculations. Appl. Math. Comput. 319 (2018)
Robert Cimrman, Matyás Novák, Radek Kolman, Miroslav Tuma, Jirí Vackár
Isogeometric analysis in electronic structure calculations. Math. Comput. Simul. 145 (2018)
Jennifer A. Scott, Miroslav Tuma
A Schur complement approach to preconditioning sparse linear least-squares problems with some dense rows. Numer. Algorithms 79 (4) (2018)
Erin C. Carson, Miroslav Rozlozník, Zdenek Strakos, Petr Tichý, Miroslav Tuma
The Numerical Stability Analysis of Pipelined Conjugate Gradient Methods: Historical Context and Methodology. SIAM J. Sci. Comput. 40 (5) (2018)
Jennifer A. Scott, Miroslav Tuma
Solving Mixed Sparse-Dense Linear Least-Squares Problems by Preconditioned Iterative Methods. SIAM J. Sci. Comput. 39 (6) (2017)
Jirí Kopal, Miroslav Rozlozník, Miroslav Tuma
An adaptive multilevel factorized sparse approximate inverse preconditioning. Adv. Eng. Softw. 113 (2017)
Jennifer A. Scott, Miroslav Tuma
Improving the stability and robustness of incomplete symmetric indefinite factorization preconditioners. Numer. Linear Algebra Appl. 24 (5) (2017)
Jirí Kopal, Miroslav Rozlozník, Miroslav Tuma
Factorized Approximate Inverses with Adaptive Dropping. SIAM J. Sci. Comput. 38 (3) (2016)
Jennifer A. Scott, Miroslav Tuma
Preconditioning of Linear Least Squares by Robust Incomplete Factorization for Implicitly Held Normal Equations. SIAM J. Sci. Comput. 38 (6) (2016)
Jirí Kopal, Miroslav Rozlozník, Miroslav Tuma
Approximate inverse preconditioners with adaptive dropping. Adv. Eng. Softw. 84 (2015)
Jennifer A. Scott, Miroslav Tuma
On Positive Semidefinite Modification Schemes for Incomplete Cholesky Factorization. SIAM J. Sci. Comput. 36 (2) (2014)
Jennifer A. Scott, Miroslav Tuma
HSL_MI28: An Efficient and Robust Limited-Memory Incomplete Cholesky Factorization Code. ACM Trans. Math. Softw. 40 (4) (2014)
Rafael Bru, José Marín, José Mas, Miroslav Tuma
Preconditioned Iterative Methods for Solving Linear Least Squares Problems. SIAM J. Sci. Comput. 36 (4) (2014)
Jurjen Duintjer Tebbens, Miroslav Tuma
On Incremental Condition Estimators in the 2-Norm. SIAM J. Matrix Anal. Appl. 35 (1) (2014)
Jennifer A. Scott, Miroslav Tuma
On Signed Incomplete Cholesky Factorization Preconditioners for Saddle-Point Systems. SIAM J. Sci. Comput. 36 (6) (2014)
Jurjen Duintjer Tebbens, Miroslav Tuma
Preconditioner updates for solving sequences of linear systems in matrix-free environment. Numer. Linear Algebra Appl. 17 (6) (2010)
Rafael Bru, José Marín, José Mas, Miroslav Tuma
Improved Balanced Incomplete Factorization. SIAM J. Matrix Anal. Appl. 31 (5) (2010)
Katerina Jurková, Miroslav Tuma
Factorization-Based Graph Repartitionings. LSSC (2009)
Rafael Bru, José Marín, José Mas, Miroslav Tuma
Balanced Incomplete Factorization. SIAM J. Sci. Comput. 30 (5) (2008)
Jurjen Duintjer Tebbens, Miroslav Tuma
Efficient Preconditioning of Sequences of Nonsymmetric Linear Systems. SIAM J. Sci. Comput. 29 (5) (2007)
Jurjen Duintjer Tebbens, Miroslav Tuma
Improving Triangular Preconditioner Updates for Nonsymmetric Linear Systems. LSSC (2007)
Michele Benzi, Miroslav Tuma
A Robust Preconditioner with Low Memory Requirements for Large Sparse Least Squares Problems. SIAM J. Sci. Comput. 25 (2) (2003)
Michele Benzi, Miroslav Tuma
A robust incomplete factorization preconditioner for positive definite matrices. Numer. Linear Algebra Appl. 10 (5-6) (2003)
Jane K. Cullum, Keith Johnson, Miroslav Tuma
Effects of problem decomposition (partitioning) on the rate of convergence of parallel numerical algorithms. Numer. Linear Algebra Appl. 10 (5-6) (2003)
Miroslav Tuma
Decomposition of Matrices from Saddle-Point Problems. SIAM J. Matrix Anal. Appl. 23 (4) (2002)
Jirí Maryska, Miroslav Rozlozník, Miroslav Tuma
Primal vs. Dual Variable Approach for Mixed-Hybrid Finite Element Approximation of the Potential Fluid Flow Problem in Porous Media. LSSC (2001)
Michele Benzi, John C. Haws, Miroslav Tuma
Preconditioning Highly Indefinite and Nonsymmetric Matrices. SIAM J. Sci. Comput. 22 (4) (2000)
Jirí Maryska, Miroslav Rozlozník, Miroslav Tuma
Schur Complement Systems in the Mixed-Hybrid Finite Element Approximation of the Potential Fluid Flow Problem. SIAM J. Sci. Comput. 22 (2) (2000)
Michele Benzi, Miroslav Tuma
Orderings for Factorized Sparse Approximate Inverse Preconditioners. SIAM J. Sci. Comput. 21 (5) (2000)
Michele Benzi, Jane Cullum, Miroslav Tuma
Robust Approximate Inverse Preconditioning for the Conjugate Gradient Method. SIAM J. Sci. Comput. 22 (4) (2000)
Michele Benzi, José Marín, Miroslav Tuma
Parallel Preconditioning with Factorized Sparse Approximate Inverses. PPSC (1999)
Michele Benzi, Miroslav Tuma
A Sparse Approximate Inverse Preconditioner for Nonsymmetric Linear Systems. SIAM J. Sci. Comput. 19 (3) (1998)
Jirí Maryska, Miroslav Rozlozník, Miroslav Tuma
The Potential Fluid Flow Problem and the Convergence Rate of the Minimal Residual Method. Numer. Linear Algebra Appl. 3 (6) (1996)
Michele Benzi, Carl Dean Meyer, Miroslav Tuma
A Sparse Approximate Inverse Preconditioner for the Conjugate Gradient Method. SIAM J. Sci. Comput. 17 (5) (1996)
Miroslav Rozlozník, Zdenek Strakos, Miroslav Tuma
On the Role of Orthogonality in the GMRES Method. SOFSEM (1996)
Miroslav Tuma, Miroslav Rozlozník
On the Efficiency of Superscalar and Vector Computer for some Problems in Scientif Computing. SOFSEM (1995)
Miroslav Tuma
A quadratic programming algorithm for large and sparse problems. Kybernetika 27 (2) (1991)
Jan Reiterman, Vojtech Rödl, Edita Sinajová, Miroslav Tuma
Threshold hypergraphs. Discret. Math. 54 (2) (1985)