Ben S. Southworth

According to our database, Ben S. Southworth authored at least 49 papers between 2017 and 2025.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2025

Moment-based adaptive time integration for thermal radiation transport.

Ben S. Southworth, Steven Walton, Steven B. Roberts, HyeongKae Park

CoRR, January, 2025

Generalized Optimal AMG Convergence Theory for Stokes Equations Using Smooth Aggregation and Vanka Relaxation Strategies.

Ahsan Ali, James J. Brannick, Karsten Kahl, Oliver A. Krzysik, Jacob B. Schroder, Ben S. Southworth, Alexey Voronin

CoRR, January, 2025

Overlapping Schwarz methods are not anisotropy-robust multigrid smoothers.

Oliver A. Krzysik, Ben S. Southworth, Bobby Philip

CoRR, January, 2025

2024

On Properties of Adjoint Systems for Evolutionary PDEs.

Brian K. Tran, Ben S. Southworth, Melvin Leok

J. Nonlinear Sci., October, 2024

A Fast Algebraic Multigrid Solver and Accurate Discretization for Highly Anisotropic Heat Flux I: Open Field Lines.

Golo A. Wimmer, Ben S. Southworth, Thomas J. Gregory, Xian-Zhu Tang

SIAM J. Sci. Comput., 2024

Constrained Local Approximate Ideal Restriction for Advection-Diffusion Problems.

Ahsan Ali, James J. Brannick, Karsten Kahl, Oliver A. Krzysik, Jacob B. Schroder, Ben S. Southworth

SIAM J. Sci. Comput., 2024

On Compatible Transfer Operators in Nonsymmetric Algebraic Multigrid.

Ben S. Southworth, Thomas A. Manteuffel

SIAM J. Matrix Anal. Appl., 2024

Implicit-explicit Runge-Kutta for radiation hydrodynamics I: Gray diffusion.

Ben S. Southworth, Hyeongkae Park, Svetlana Tokareva, Marc Charest

J. Comput. Phys., 2024

One-sweep moment-based semi-implicit-explicit integration for gray thermal radiation transport.

Ben S. Southworth, Samuel S. Olivier, HyeongKae Park, Tommaso Buvoli

J. Comput. Phys., 2024

Learning physical unknowns from hydrodynamic shock and material interface features in ICF capsule implosions.

Daniel A. Serino, Evan Bell, Marc Louis Klasky, Ben S. Southworth, Balasubramanya T. Nadiga, Trevor Wilcox, Oleg Korobkin

CoRR, 2024

An accurate SUPG-stabilized continuous Galerkin discretization for anisotropic heat flux in magnetic confinement fusion.

Golo A. Wimmer, Ben S. Southworth, Koki Sagiyama, Xian-Zhu Tang

CoRR, 2024

Multiscale approximation and two-grid preconditioner for extremely anisotropic heat flow.

Maria Vasilyeva, Golo A. Wimmer, Ben S. Southworth

CoRR, 2024

An adaptive two-grid preconditioner for flow in fractured porous media.

Maria Vasilyeva, Ben S. Southworth, Shubin Fu

CoRR, 2024

Galerkin Formulation of Path Integrals in Lattice Field Theory.

Brian K. Tran, Ben S. Southworth

CoRR, 2024

A structure-preserving discontinuous Galerkin scheme for the Cahn-Hilliard equation including time adaptivity.

Golo A. Wimmer, Ben S. Southworth, Qi Tang

CoRR, 2024

Consistent Second Moment Methods with Scalable Linear Solvers for Radiation Transport.

Samuel S. Olivier, Ben S. Southworth, James S. Warsa, HyeongKae Park

CoRR, 2024

Order Conditions for Nonlinearly Partitioned Runge-Kutta Methods.

Brian K. Tran, Ben S. Southworth, Tommaso Buvoli

CoRR, 2024

Generalized Optimal AMG Convergence Theory for Nonsymmetric and Indefinite Problems.

Ahsan Ali, James J. Brannick, Karsten Kahl, Oliver A. Krzysik, Jacob B. Schroder, Ben S. Southworth

CoRR, 2024

A New Class of Runge-Kutta Methods for Nonlinearly Partitioned Systems.

Tommaso Buvoli, Ben S. Southworth

CoRR, 2024

2023

Asynchronous Truncated Multigrid-Reduction-in-Time.

Jens Hahne, Ben S. Southworth, Stephanie Friedhoff

SIAM J. Sci. Comput., June, 2023

Additive Polynomial Time Integrators, Part I: Framework and Fully Implicit-Explicit Collocation Methods.

Tommaso Buvoli, Ben S. Southworth

SIAM J. Sci. Comput., June, 2023

Weighted relaxation for multigrid reduction in time.

Masumi Sugiyama, Jacob B. Schroder, Ben S. Southworth, Stephanie Friedhoff

Numer. Linear Algebra Appl., January, 2023

PyAMG: Algebraic Multigrid Solvers in Python.

Nathan Bell, Luke N. Olson, Jacob B. Schroder, Ben S. Southworth

J. Open Source Softw., 2023

Space-Time Block Preconditioning for Incompressible Resistive Magnetohydrodynamics.

Federico Danieli, Ben S. Southworth, Jacob B. Schroder

CoRR, 2023

Implicit-explicit Runge-Kutta for radiation hydrodynamics I: gray diffusion.

Ben S. Southworth, Ryosuke Park, Svetlana Tokareva, Marc Charest

CoRR, 2023

A fast algebraic multigrid solver and accurate discretization for highly anisotropic heat flux I: open field lines.

Golo A. Wimmer, Ben S. Southworth, Thomas J. Gregory, Xianzhu Tang

CoRR, 2023

2022

Fast Solution of Fully Implicit Runge-Kutta and Discontinuous Galerkin in Time for Numerical PDEs, Part I: the Linear Setting.

Ben S. Southworth, Oliver A. Krzysik, Will Pazner, Hans De Sterck

SIAM J. Sci. Comput., 2022

Fast Solution of Fully Implicit Runge-Kutta and Discontinuous Galerkin in Time for Numerical PDEs, Part II: Nonlinearities and DAEs.

Ben S. Southworth, Oliver A. Krzysik, Will Pazner

SIAM J. Sci. Comput., 2022

Space-Time Block Preconditioning for Incompressible Flow.

Federico Danieli, Ben S. Southworth, Andrew J. Wathen

SIAM J. Sci. Comput., 2022

An algebraic preconditioner for the exactly divergence-free discontinuous Galerkin method for Stokes.

Sander Rhebergen, Ben S. Southworth

CoRR, 2022

Arbitrary Order Energy and Enstrophy Conserving Finite Element Methods for 2D Incompressible Fluid Dynamics and Drift-Reduced Magnetohydrodynamics.

Milan Holec, Ben Zhu, Ilon Joseph, Christopher J. Vogl, Ben S. Southworth, Alejandro Campos, Andris M. Dimits, Will E. Pazner

CoRR, 2022

2021

AIR Algebraic Multigrid for a Space-Time Hybridizable Discontinuous Galerkin Discretization of Advection(-Diffusion).

Abdullah Ali Sivas, Ben S. Southworth, Sander Rhebergen

SIAM J. Sci. Comput., 2021

On "Optimal" h-independent convergence of Parareal and multigrid-reduction-in-time using Runge-Kutta time integration.

Stephanie Friedhoff, Ben S. Southworth

Numer. Linear Algebra Appl., 2021

Addititive Polynomial Block Methods, Part I: Framework and Fully-Implicit Methods.

Tommaso Buvoli, Ben S. Southworth

CoRR, 2021

Asynchronous Truncated Multigrid-reduction-in-time (AT-MGRIT).

Jens Hahne, Ben S. Southworth, Stephanie Friedhoff

CoRR, 2021

Fast parallel solution of fully implicit Runge-Kutta and discontinuous Galerkin in time for numerical PDEs, Part II: nonlinearities and DAEs.

Ben S. Southworth, Oliver A. Krzysik, Will Pazner

CoRR, 2021

Fast parallel solution of fully implicit Runge-Kutta and discontinuous Galerkin in time for numerical PDEs, Part I: the linear setting.

Ben S. Southworth, Oliver A. Krzysik, Will Pazner, Hans De Sterck

CoRR, 2021

2020

Multilevel Convergence Analysis of Multigrid-Reduction-in-Time.

Andreas Hessenthaler, Ben S. Southworth, David Nordsletten, Oliver Röhrle, Robert D. Falgout, Jacob B. Schroder

SIAM J. Sci. Comput., 2020

Diffusion Synthetic Acceleration Preconditioning for Discontinuous Galerkin Discretizations of S_N Transport on High-Order Curved Meshes.

Terry S. Haut, Ben S. Southworth, Peter G. Maginot, Vladimir Z. Tomov

SIAM J. Sci. Comput., 2020

On Fixed-Point, Krylov, and 2˟ 2 Block Preconditioners for Nonsymmetric Problems.

Ben S. Southworth, Abdullah Ali Sivas, Sander Rhebergen

SIAM J. Matrix Anal. Appl., 2020

Tight two-level convergence of Linear Parareal and MGRIT: Extensions and implications in practice.

Ben S. Southworth, Wayne Mitchell, Andreas Hessenthaler, Federico Danieli

CoRR, 2020

Diffusion synthetic acceleration for heterogeneous domains, compatible with voids.

Ben S. Southworth, Milan Holec, Terry S. Haut

CoRR, 2020

A note on 2×2 block-diagonal preconditioning.

Ben S. Southworth, Samuel S. Olivier

CoRR, 2020

2019

Convergence in Norm of Nonsymmetric Algebraic Multigrid.

Tom Manteuffel, Ben S. Southworth

SIAM J. Sci. Comput., 2019

Nonsymmetric Reduction-Based Algebraic Multigrid.

Thomas A. Manteuffel, Steffen Münzenmaier, John W. Ruge, Ben S. Southworth

SIAM J. Sci. Comput., 2019

Necessary Conditions and Tight Two-level Convergence Bounds for Parareal and Multigrid Reduction in Time.

Ben S. Southworth

SIAM J. Matrix Anal. Appl., 2019

On "Optimal" h-Independent Convergence of Parareal and MGRIT using Runge-Kutta Time Integration.

Stephanie Friedhoff, Ben S. Southworth

CoRR, 2019

2018

Nonsymmetric Algebraic Multigrid Based on Local Approximate Ideal Restriction (ℓAIR).

Thomas A. Manteuffel, John W. Ruge, Ben S. Southworth

SIAM J. Sci. Comput., 2018

2017

A Root-Node-Based Algebraic Multigrid Method.

Thomas A. Manteuffel, Luke N. Olson, Jacob B. Schroder, Ben S. Southworth

SIAM J. Sci. Comput., 2017