Oliver A. Krzysik

Publication Activity (10 Years)

Years Active: 2019-2024
Publications (10 Years): 18

Top Topics

Top Venues

SIAM J. Sci. Comput.

J. Sci. Comput.

Numer. Linear Algebra Appl.

Publications

Hans De Sterck, Robert D. Falgout, Oliver A. Krzysik, Jacob B. Schroder
Parallel-in-time solution of hyperbolic PDE systems via characteristic-variable block preconditioning. CoRR (2024)
Ahsan Ali, James J. Brannick, Karsten Kahl, Oliver A. Krzysik, Jacob B. Schroder, Ben S. Southworth
Generalized Optimal AMG Convergence Theory for Nonsymmetric and Indefinite Problems. CoRR (2024)
Hans De Sterck, Yunhui He, Oliver A. Krzysik
Anderson Acceleration as a Krylov Method with Application to Convergence Analysis. J. Sci. Comput. 99 (1) (2024)
Yifan Qu, Oliver A. Krzysik, Hans De Sterck, Omer Ege Kara
First-order PDES for Graph Neural Networks: Advection And Burgers Equation Models. CoRR (2024)
Hans De Sterck, Robert D. Falgout, Oliver A. Krzysik, Jacob B. Schroder
Parallel-in-time solution of scalar nonlinear conservation laws. CoRR (2024)
Hans De Sterck, Robert D. Falgout, Oliver A. Krzysik, Jacob B. Schroder
Efficient Multigrid Reduction-in-Time for Method-of-Lines Discretizations of Linear Advection. J. Sci. Comput. 96 (1) (2023)
Hans De Sterck, Robert D. Falgout, Oliver A. Krzysik
Fast Multigrid Reduction-in-Time for Advection via Modified Semi-Lagrangian Coarse-Grid Operators. SIAM J. Sci. Comput. 45 (4) (2023)
Hans De Sterck, Oliver A. Krzysik, Adam Smith
On the convergence of restarted Anderson acceleration for symmetric linear systems. CoRR (2023)
Ahsan Ali, James J. Brannick, Karsten Kahl, Oliver A. Krzysik, Jacob B. Schroder, Ben S. Southworth
Constrained Local Approximate Ideal Restriction for Advection-Diffusion Problems. CoRR (2023)
Ben S. Southworth, Oliver A. Krzysik, Will Pazner
Fast Solution of Fully Implicit Runge-Kutta and Discontinuous Galerkin in Time for Numerical PDEs, Part II: Nonlinearities and DAEs. SIAM J. Sci. Comput. 44 (2) (2022)
Hans De Sterck, Robert D. Falgout, Oliver A. Krzysik
Fast multigrid reduction-in-time for advection via modified semi-Lagrangian coarse-grid operators. CoRR (2022)
Hans De Sterck, Stephanie Friedhoff, Oliver A. Krzysik, Scott P. MacLachlan
Multigrid reduction-in-time convergence for advection problems: A Fourier analysis perspective. CoRR (2022)
Ben S. Southworth, Oliver A. Krzysik, Will Pazner, Hans De Sterck
Fast Solution of Fully Implicit Runge-Kutta and Discontinuous Galerkin in Time for Numerical PDEs, Part I: the Linear Setting. SIAM J. Sci. Comput. 44 (1) (2022)
Hans De Sterck, Robert D. Falgout, Oliver A. Krzysik, Jacob B. Schroder
Efficient multigrid reduction-in-time for method-of-lines discretizations of linear advection. CoRR (2022)
Hans De Sterck, Robert D. Falgout, Stephanie Friedhoff, Oliver A. Krzysik, Scott P. MacLachlan
Optimizing multigrid reduction-in-time and Parareal coarse-grid operators for linear advection. Numer. Linear Algebra Appl. 28 (4) (2021)
Ben S. Southworth, Oliver A. Krzysik, Will Pazner
Fast parallel solution of fully implicit Runge-Kutta and discontinuous Galerkin in time for numerical PDEs, Part II: nonlinearities and DAEs. CoRR (2021)
Ben S. Southworth, Oliver A. Krzysik, Will Pazner, Hans De Sterck
Fast parallel solution of fully implicit Runge-Kutta and discontinuous Galerkin in time for numerical PDEs, Part I: the linear setting. CoRR (2021)
Hans De Sterck, Robert D. Falgout, Stephanie Friedhoff, Oliver A. Krzysik, Scott P. MacLachlan
Optimizing MGRIT and Parareal coarse-grid operators for linear advection. CoRR (2019)