Andrew T. Barker

Publication Activity (10 Years)

Years Active: 2010-2021
Publications (10 Years): 11

Top Topics

Problems In Image Processing

Augmented Lagrangian

Finite Element Methods

Graph Laplacian

Top Venues

SIAM J. Sci. Comput.

Numer. Linear Algebra Appl.

J. Comput. Phys.

Publications

Andrew T. Barker, Andrei Draganescu
Algebraic multigrid preconditioning of the Hessian in optimization constrained by a partial differential equation. Numer. Linear Algebra Appl. 28 (1) (2021)
Robert W. Anderson, Julian Andrej, Andrew T. Barker, Jamie A. Bramwell, Jean-Sylvain Camier, Jakub Cervený, Veselin Dobrev, Yohann Dudouit, Aaron Fisher, Tzanio V. Kolev, Will Pazner, Mark Stowell, Vladimir Z. Tomov, Ido Akkerman, Johann Dahm, David Medina, Stefano Zampini
MFEM: A modular finite element methods library. Comput. Math. Appl. 81 (2021)
Andrew T. Barker, Stephan V. Gelever, Chak Shing Lee, Sarah V. Osborn, Panayot S. Vassilevski
Multilevel Spectral Coarsening for Graph Laplacian Problems with Application to Reservoir Simulation. SIAM J. Sci. Comput. 43 (4) (2021)
Andrew T. Barker, Tzanio V. Kolev
Matrix-free preconditioning for high-order H(curl) discretizations. Numer. Linear Algebra Appl. 28 (2) (2021)
Andrew T. Barker, Stephan V. Gelever, Chak Shing Lee, Sarah V. Osborn, Panayot S. Vassilevski
Multilevel spectral coarsening for graph Laplacian problems with application to reservoir simulation. CoRR (2020)
Andrew T. Barker, Andrei Draganescu
Algebraic multigrid preconditioning of the Hessian in PDE-constrained optimization. CoRR (2020)
Robert W. Anderson, Julian Andrej, Andrew T. Barker, Jamie A. Bramwell, Jean-Sylvain Camier, Jakub Cervený, Veselin Dobrev, Yohann Dudouit, Aaron Fisher, Tzanio V. Kolev, Will Pazner, Mark Stowell, Vladimir Z. Tomov, Johann Dahm, David Medina, Stefano Zampini
MFEM: a modular finite element methods library. CoRR (2019)
Brian Weston, Robert R. Nourgaliev, Jean-Pierre Delplanque, Andrew T. Barker
Preconditioning a Newton-Krylov solver for all-speed melt pool flow physics. J. Comput. Phys. 397 (2019)
Andrew T. Barker, Veselin Dobrev, Jayadeep Gopalakrishnan, Tzanio V. Kolev
A Scalable Preconditioner for a Primal Discontinuous Petrov-Galerkin Method. SIAM J. Sci. Comput. 40 (2) (2018)
Andrew T. Barker, Chak Shing Lee, Panayot S. Vassilevski
Spectral Upscaling for Graph Laplacian Problems with Application to Reservoir Simulation. SIAM J. Sci. Comput. 39 (5) (2017)
Osni Marques, Alex Druinsky, Xiaoye S. Li, Andrew T. Barker, Panayot S. Vassilevski, Delyan Kalchev
Tuning the Coarse Space Construction in a Spectral AMG Solver. ICCS (2016)
Alex Druinsky, Pieter Ghysels, Xiaoye S. Li, Osni Marques, Samuel Williams, Andrew T. Barker, Delyan Kalchev, Panayot S. Vassilevski
Comparative Performance Analysis of Coarse Solvers for Algebraic Multigrid on Multicore and Manycore Architectures. PPAM (1) (2015)
Andrew T. Barker, Martin Stoll
Domain decomposition in time for PDE-constrained optimization. Comput. Phys. Commun. 197 (2015)
Andrew T. Barker
A minimal communication approach to parallel time integration. Int. J. Comput. Math. 91 (3) (2014)
Andrew T. Barker, Susanne C. Brenner
A Mixed Finite Element Method for the Stokes Equations Based on a Weakly Over-Penalized Symmetric Interior Penalty Approach. J. Sci. Comput. 58 (2) (2014)
Blanca Ayuso de Dios, Andrew T. Barker, Panayot S. Vassilevski
A Combined Preconditioning Strategy for Nonsymmetric Systems. SIAM J. Sci. Comput. 36 (6) (2014)
Andrew T. Barker, Susanne C. Brenner, Li-Yeng Sung
Overlapping Schwarz domain decomposition preconditioners for the local discontinuous Galerkin method for elliptic problems. J. Num. Math. 19 (3) (2011)
Andrew T. Barker, Susanne C. Brenner, Eun-Hee Park, Li-Yeng Sung
Two-Level Additive Schwarz Preconditioners for a Weakly Over-Penalized Symmetric Interior Penalty Method. J. Sci. Comput. 47 (1) (2011)
Andrew T. Barker, Xiao-Chuan Cai
Two-Level Newton and Hybrid Schwarz Preconditioners for Fluid-Structure Interaction. SIAM J. Sci. Comput. 32 (4) (2010)
Andrew T. Barker, Xiao-Chuan Cai
Scalable parallel methods for monolithic coupling in fluid-structure interaction with application to blood flow modeling. J. Comput. Phys. 229 (3) (2010)