Ivana Pultarová

According to our database, Ivana Pultarová authored at least 22 papers between 2007 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2024

Preconditioned discontinuous Galerkin method and convection-diffusion-reaction problems with guaranteed bounds to resulting spectra.

Liya Gaynutdinova, Martin Ladecký, Ivana Pultarová, Miloslav Vlasák, Jan Zeman

Numer. Linear Algebra Appl., August, 2024

2023

An optimal preconditioned FFT-accelerated finite element solver for homogenization.

Martin Ladecký, Richard J. Leute, Ali Falsafi, Ivana Pultarová, Lars Pastewka, Till Junge, Jan Zeman

Appl. Math. Comput., June, 2023

Generalized spectrum of second order differential operators: 3D problems.

Ivana Pultarová

CoRR, 2023

2022

Elimination of ringing artifacts by finite-element projection in FFT-based homogenization.

Richard J. Leute, Martin Ladecký, Ali Falsafi, Indre Jödicke, Ivana Pultarová, Jan Zeman, Till Junge, Lars Pastewka

J. Comput. Phys., 2022

Efficient numerical method for reliable upper and lower bounds on homogenized parameters.

Liya Gaynutdinova, Martin Ladecký, Ales Nekvinda, Ivana Pultarová, Jan Zeman

CoRR, 2022

Optimal FFT-accelerated Finite Element Solver for Homogenization.

Martin Ladecký, Richard J. Leute, Ali Falsafi, Ivana Pultarová, Lars Pastewka, Till Junge, Jan Zeman

CoRR, 2022

2021

Two-sided guaranteed bounds to individual eigenvalues of preconditioned finite element and finite difference problems.

Ivana Pultarová, Martin Ladecký

Numer. Linear Algebra Appl., 2021

Comparison of FETI-based domain decomposition methods for topology optimization problems.

Tomás Medrický, Martin Doskár, Ivana Pultarová, Jan Zeman

CoRR, 2021

2020

Decomposition into subspaces preconditioning: abstract framework.

Jakub Hrncír, Ivana Pultarová, Zdenek Strakos

Numer. Algorithms, 2020

Block Preconditioning of Stochastic Galerkin Problems: New Two-sided Guaranteed Spectral Bounds.

Marie Kubínová, Ivana Pultarová

SIAM/ASA J. Uncertain. Quantification, 2020

Guaranteed two-sided bounds on all eigenvalues of preconditioned diffusion and elasticity problems solved by the finite element method.

Martin Ladecký, Ivana Pultarová, Jan Zeman

CoRR, 2020

2016

Convergence theory of exact interpolation scheme for computing several eigenvectors.

Ivana Pultarová

Numer. Linear Algebra Appl., 2016

Hierarchical preconditioning for the stochastic Galerkin method: Upper bounds to the strengthened CBS constants.

Ivana Pultarová

Comput. Math. Appl., 2016

2015

Preconditioning of iterative methods - theory and applications.

Owe Axelsson, Radim Blaheta, Maya G. Neytcheva, Ivana Pultarová

Numer. Linear Algebra Appl., 2015

2013

Fourier Analysis of the Aggregation Based Algebraic Multigrid for Stochastic Matrices.

Ivana Pultarová

SIAM J. Matrix Anal. Appl., 2013

2012

Preconditioning of the coarse problem in the method of balanced domain decomposition by constraints.

Ivana Pultarová

Math. Comput. Simul., 2012

2011

Physiology and pathology of iterative aggregation-disaggregation methods.

Ivana Pultarová, Ivo Marek

Numer. Linear Algebra Appl., 2011

Convergence of multi-level iterative aggregation-disaggregation methods.

Ivana Pultarová, Ivo Marek

J. Comput. Appl. Math., 2011

2009

Preconditioning and <i>a posteriori</i> error estimates using <i>h</i>- and <i>p</i>-hierarchical finite elements with rectangular supports.

Ivana Pultarová

Numer. Linear Algebra Appl., 2009

2008

Necessary and sufficient local convergence condition of one class of iterative aggregation-disaggregation methods.

Ivana Pultarová

Numer. Linear Algebra Appl., 2008

Iterative aggregation: disaggregation methods and ordering algorithms.

Ivana Pultarová

Proceedings of the 3rd International ICST Conference on Performance Evaluation Methodologies and Tools, 2008

2007

Convergence of iterative aggregation/disaggregation methods based on splittings with cyclic iteration matrices.

Ivo Marek, Ivana Pultarová, Petr Mayer

Proceedings of the Web Information Retrieval and Linear Algebra Algorithms, 11.02., 2007