Ben S. Southworth

Publication Activity (10 Years)

Years Active: 2017-2024
Publications (10 Years): 45

Top Topics

Top Venues

SIAM J. Sci. Comput.

SIAM J. Matrix Anal. Appl.

Numer. Linear Algebra Appl.

Publications

Ben S. Southworth, Samuel S. Olivier, HyeongKae Park, Tommaso Buvoli
One-sweep moment-based semi-implicit-explicit integration for gray thermal radiation transport. CoRR (2024)
Brian K. Tran, Ben S. Southworth, Tommaso Buvoli
Order Conditions for Nonlinearly Partitioned Runge-Kutta Methods. CoRR (2024)
Ben S. Southworth, Thomas A. Manteuffel
On Compatible Transfer Operators in Nonsymmetric Algebraic Multigrid. SIAM J. Matrix Anal. Appl. 45 (3) (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)
Samuel S. Olivier, Ben S. Southworth, James S. Warsa, HyeongKae Park
Consistent Second Moment Methods with Scalable Linear Solvers for Radiation Transport. CoRR (2024)
Brian K. Tran, Ben S. Southworth, Melvin Leok
On Properties of Adjoint Systems for Evolutionary PDEs. CoRR (2024)
Golo A. Wimmer, Ben S. Southworth, Thomas J. Gregory, Xian-Zhu Tang
A Fast Algebraic Multigrid Solver and Accurate Discretization for Highly Anisotropic Heat Flux I: Open Field Lines. SIAM J. Sci. Comput. 46 (3) (2024)
Tommaso Buvoli, Ben S. Southworth
A New Class of Runge-Kutta Methods for Nonlinearly Partitioned Systems. CoRR (2024)
Nathan Bell, Luke N. Olson, Jacob B. Schroder, Ben S. Southworth
PyAMG: Algebraic Multigrid Solvers in Python. J. Open Source Softw. 8 (88) (2023)
Tommaso Buvoli, Ben S. Southworth
Additive Polynomial Time Integrators, Part I: Framework and Fully Implicit-Explicit Collocation Methods. SIAM J. Sci. Comput. 45 (6) (2023)
Tommaso Buvoli, Ben S. Southworth
Additive Polynomial Time Integrators, Part I: Framework and Fully Implicit-Explicit Collocation Methods. SIAM J. Sci. Comput. 45 (3) (2023)
Ben S. Southworth, Thomas A. Manteuffel
On Compatible Transfer Operators in Nonsymmetric Algebraic Multigrid. CoRR (2023)
Golo A. Wimmer, Ben S. Southworth, Thomas J. Gregory, Xianzhu Tang
A fast algebraic multigrid solver and accurate discretization for highly anisotropic heat flux I: open field lines. CoRR (2023)
Ben S. Southworth, Ryosuke Park, Svetlana Tokareva, Marc Charest
Implicit-explicit Runge-Kutta for radiation hydrodynamics I: gray diffusion. CoRR (2023)
Federico Danieli, Ben S. Southworth, Jacob B. Schroder
Space-Time Block Preconditioning for Incompressible Resistive Magnetohydrodynamics. 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)
Jens Hahne, Ben S. Southworth, Stephanie Friedhoff
Asynchronous Truncated Multigrid-Reduction-in-Time. SIAM J. Sci. Comput. 45 (3) (2023)
Masumi Sugiyama, Jacob B. Schroder, Ben S. Southworth, Stephanie Friedhoff
Weighted relaxation for multigrid reduction in time. Numer. Linear Algebra Appl. 30 (1) (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)
Sander Rhebergen, Ben S. Southworth
An algebraic preconditioner for the exactly divergence-free discontinuous Galerkin method for Stokes. 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)
Federico Danieli, Ben S. Southworth, Andrew J. Wathen
Space-Time Block Preconditioning for Incompressible Flow. SIAM J. Sci. Comput. 44 (1) (2022)
Milan Holec, Ben Zhu, Ilon Joseph, Christopher J. Vogl, Ben S. Southworth, Alejandro Campos, Andris M. Dimits, Will E. Pazner
Arbitrary Order Energy and Enstrophy Conserving Finite Element Methods for 2D Incompressible Fluid Dynamics and Drift-Reduced Magnetohydrodynamics. CoRR (2022)
Jens Hahne, Ben S. Southworth, Stephanie Friedhoff
Asynchronous Truncated Multigrid-reduction-in-time (AT-MGRIT). CoRR (2021)
Stephanie Friedhoff, Ben S. Southworth
On "Optimal" h-independent convergence of Parareal and multigrid-reduction-in-time using Runge-Kutta time integration. Numer. Linear Algebra Appl. 28 (3) (2021)
Federico Danieli, Ben S. Southworth, Andrew J. Wathen
Space-time block preconditioning for incompressible flow. CoRR (2021)
Masumi Sugiyama, Jacob B. Schroder, Ben S. Southworth, Stephanie Friedhoff
Weighted Relaxation for Multigrid Reduction in Time. CoRR (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)
Tommaso Buvoli, Ben S. Southworth
Addititive Polynomial Block Methods, Part I: Framework and Fully-Implicit Methods. CoRR (2021)
Abdullah Ali Sivas, Ben S. Southworth, Sander Rhebergen
AIR Algebraic Multigrid for a Space-Time Hybridizable Discontinuous Galerkin Discretization of Advection(-Diffusion). SIAM J. Sci. Comput. 43 (5) (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)
Terry S. Haut, Ben S. Southworth, Peter G. Maginot, Vladimir Z. Tomov
Transport on High-Order Curved Meshes. SIAM J. Sci. Comput. 42 (5) (2020)
Ben S. Southworth, Samuel A. Olivier
A note on 2×2 block-diagonal preconditioning. CoRR (2020)
Abdullah Ali Sivas, Ben S. Southworth, Sander Rhebergen
AIR algebraic multigrid for a space-time hybridizable discontinuous Galerkin discretization of advection(-diffusion). CoRR (2020)
Andreas Hessenthaler, Ben S. Southworth, David Nordsletten, Oliver Röhrle, Robert D. Falgout, Jacob B. Schroder
Multilevel Convergence Analysis of Multigrid-Reduction-in-Time. SIAM J. Sci. Comput. 42 (2) (2020)
Ben S. Southworth, Milan Holec, Terry S. Haut
Diffusion synthetic acceleration for heterogeneous domains, compatible with voids. CoRR (2020)
Ben S. Southworth, Wayne Mitchell, Andreas Hessenthaler, Federico Danieli
Tight two-level convergence of Linear Parareal and MGRIT: Extensions and implications in practice. CoRR (2020)
Ben S. Southworth, Abdullah Ali Sivas, Sander Rhebergen
On Fixed-Point, Krylov, and 2˟ 2 Block Preconditioners for Nonsymmetric Problems. SIAM J. Matrix Anal. Appl. 41 (2) (2020)
Thomas A. Manteuffel, Steffen Münzenmaier, John W. Ruge, Ben S. Southworth
Nonsymmetric Reduction-Based Algebraic Multigrid. SIAM J. Sci. Comput. 41 (5) (2019)
Stephanie Friedhoff, Ben S. Southworth
On "Optimal" h-Independent Convergence of Parareal and MGRIT using Runge-Kutta Time Integration. CoRR (2019)
Ben S. Southworth
Necessary Conditions and Tight Two-level Convergence Bounds for Parareal and Multigrid Reduction in Time. SIAM J. Matrix Anal. Appl. 40 (2) (2019)
Ben S. Southworth, Abdullah Ali Sivas, Sander Rhebergen
On fixed-point, Krylov, and 2×2 block preconditioners for nonsymmetric problems. CoRR (2019)
Tom Manteuffel, Ben S. Southworth
Convergence in Norm of Nonsymmetric Algebraic Multigrid. SIAM J. Sci. Comput. 41 (5) (2019)
Thomas A. Manteuffel, John W. Ruge, Ben S. Southworth
Nonsymmetric Algebraic Multigrid Based on Local Approximate Ideal Restriction (ℓAIR). SIAM J. Sci. Comput. 40 (6) (2018)
Thomas A. Manteuffel, Luke N. Olson, Jacob B. Schroder, Ben S. Southworth
A Root-Node-Based Algebraic Multigrid Method. SIAM J. Sci. Comput. 39 (5) (2017)