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ORCIDOliver A. Krzysik
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2020 – today
- 2024
[j6]Hans De Sterck
, Yunhui He, Oliver A. Krzysik:
Anderson Acceleration as a Krylov Method with Application to Convergence Analysis. J. Sci. Comput. 99(1): 12 (2024)- [i12]Hans De Sterck, Robert D. Falgout, Oliver A. Krzysik, Jacob B. Schroder:
Parallel-in-time solution of scalar nonlinear conservation laws. CoRR abs/2401.04936 (2024) - [i11]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 abs/2401.11146 (2024) - [i10]Yifan Qu, Oliver A. Krzysik, Hans De Sterck, Omer Ege Kara:
First-order PDES for Graph Neural Networks: Advection And Burgers Equation Models. CoRR abs/2404.03081 (2024) - [i9]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 abs/2407.03873 (2024) - 2023
- [j5]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): 1 (2023) - [j4]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): 1890- (2023) - [i8]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 abs/2307.00229 (2023) - [i7]Hans De Sterck, Oliver A. Krzysik, Adam Smith:
On the convergence of restarted Anderson acceleration for symmetric linear systems. CoRR abs/2312.04776 (2023) - 2022
- [j3]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): 416- (2022) - [j2]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): 636- (2022) - [i6]Hans De Sterck, Robert D. Falgout, Oliver A. Krzysik:
Fast multigrid reduction-in-time for advection via modified semi-Lagrangian coarse-grid operators. CoRR abs/2203.13382 (2022) - [i5]Hans De Sterck, Stephanie Friedhoff, Oliver A. Krzysik, Scott P. MacLachlan:
Multigrid reduction-in-time convergence for advection problems: A Fourier analysis perspective. CoRR abs/2208.01526 (2022) - [i4]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 abs/2209.06916 (2022) - 2021
- [j1]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) - [i3]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 abs/2101.00512 (2021) - [i2]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 abs/2101.01776 (2021)
2010 – 2019
- 2019
- [i1]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 abs/1910.03726 (2019)
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