Lucas Onisk

11 papers Journal 11
YearRankTypeTitle / Venue / Authors
2026 J jnl
Mixed Precision Iterative Refinement for Linear Inverse Problems.
SIAM J. Matrix Anal. Appl.
James G. Nagy, Lucas Onisk
2025 J jnl
Flexible iterative methods for linear systems of equations with multiple right-hand sides.
Numer. Algorithms
Alessandro Buccini, Marco Donatelli, Lucas Onisk, Lothar Reichel
2025 J jnl
Iterative Reconstruction Methods for Cosmological X-Ray Tomography.
SIAM J. Imaging Sci.
Julianne Chung, Lucas Onisk, Yiran Wang
2025 J jnl
Iterative Refinement and Flexible Iteratively Reweighed Solvers for Linear Inverse Problems with Sparse Solutions.
CoRR
Lucas Onisk, Malena Sabaté Landman
2025 J jnl
On the Choice of Subspace for the Quasi-minimal Residual Method for Linear Inverse Problems.
CoRR
Moshen Hu, Lucas Onisk
2025 J jnl
Projected iterated Tikhonov in general form with adaptive choice of the regularization parameter.
Numer. Algorithms
Alessandro Buccini, Silvia Gazzola, Lucas Onisk, Mirjeta Pasha, Lothar Reichel
2025 J jnl
Projected iterated Tikhonov regularization in low precision.
CoRR
Chelsea Drum, James G. Nagy, Lucas Onisk
2024 J jnl
Iterative Reconstruction Methods for Cosmological X-Ray Tomography.
CoRR
Julianne Chung, Lucas Onisk, Yiran Wang
2024 J jnl
Mixed precision iterative refinement for linear inverse problems.
CoRR
James G. Nagy, Lucas Onisk
2023 J jnl
An Arnoldi-based preconditioner for iterated Tikhonov regularization.
Numer. Algorithms
Alessandro Buccini, Lucas Onisk, Lothar Reichel
2023 J jnl
Numerical considerations of block GMRES methods when applied to linear discrete ill-posed problems.
J. Comput. Appl. Math.
Lucas Onisk, Lothar Reichel, Hassane Sadok