Tomás Gergelits

According to our database, Tomás Gergelits authored at least 8 papers between 2014 and 2022.

Collaborative distances:

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

2022

Mixed precision s-step Lanczos and conjugate gradient algorithms.

Erin C. Carson, Tomás Gergelits, Ichitaro Yamazaki

Numer. Linear Algebra Appl., 2022

Numerical approximation of the spectrum of self-adjoint operators in operator preconditioning.

Tomás Gergelits, Bjørn Fredrik Nielsen, Zdenek Strakos

Numer. Algorithms, 2022

2021

Mixed Precision s-step Lanczos and Conjugate Gradient Algorithms.

Erin C. Carson, Tomás Gergelits

CoRR, 2021

Numerical approximation of the spectrum of self-adjoint continuously invertible operators.

Tomás Gergelits, Bjørn Fredrik Nielsen, Zdenek Strakos

CoRR, 2021

2020

Generalized Spectrum of Second Order Differential Operators.

Tomás Gergelits, Bjørn Fredrik Nielsen, Zdenek Strakos

SIAM J. Numer. Anal., 2020

2019

Laplacian Preconditioning of Elliptic PDEs: Localization of the Eigenvalues of the Discretized Operator.

Tomás Gergelits, Kent-André Mardal, Bjørn Fredrik Nielsen, Zdenek Strakos

SIAM J. Numer. Anal., 2019

2017

Relating Computed and Exact Entities in Methods Based on Lanczos Tridiagonalization.

Tomás Gergelits, Iveta Hnetynková, Marie Kubínová

Proceedings of the High Performance Computing in Science and Engineering, 2017

2014

Composite convergence bounds based on Chebyshev polynomials and finite precision conjugate gradient computations.

Tomás Gergelits, Zdenek Strakos

Numer. Algorithms, 2014