default search action
Scott P. MacLachlan
Person information
- affiliation: Memorial University of Newfoundland, Department of Mathematics and Statistics, St. John's, NL, Canada
- affiliation (former): Tufts University, Department of Mathematics, Medford, MA, USA
- affiliation (former, PhD 2004): University of Colorado at Boulder, CO, USA
Refine list
refinements active!
zoomed in on ?? of ?? records
view refined list in
export refined list as
showing all ?? records
2020 – today
- 2024
- [j55]Tareq Uz Zaman
, Nicolas Nytko
Generalizing reduction-based algebraic multigrid. Numer. Linear Algebra Appl. 31(3) (2024) - [j54]James Jackaman
Constraint-Satisfying Krylov Solvers for Structure-Preserving Discretizations. SIAM J. Matrix Anal. Appl. 45(1): 327-352 (2024) - [j53]Tareq Uz Zaman, Nicolas Nytko, Ali Taghibakhshi, Scott P. MacLachlan
Generalizing Lloyd's Algorithm for Graph Clustering. SIAM J. Sci. Comput. 46(5): 2819- (2024) - [j52]Matthias Bolten, Misha E. Kilmer, Scott P. MacLachlan:
Multigrid Preconditioning for Regularized Least-Squares Problems. SIAM J. Sci. Comput. 46(5): S271-S295 (2024) - [j51]Eric C. Cyr, Scott P. MacLachlan:
Special Section: 2023 Copper Mountain Conference. SIAM J. Sci. Comput. 46(5) (2024) - [i32]Lukas Spies, Luke N. Olson, Scott P. MacLachlan:
Exploiting mesh structure to improve multigrid performance for saddle point problems. CoRR abs/2401.06277 (2024) - [i31]Robert C. Kirby, Scott P. MacLachlan:
Extending Irksome: improvements in automated Runge-Kutta time stepping for finite element methods. CoRR abs/2403.08084 (2024) - [i30]Alexey Voronin, Graham Harper, Scott P. MacLachlan, Luke N. Olson, Raymond S. Tuminaro:
Monolithic Multigrid Preconditioners for High-Order Discretizations of Stokes Equations. CoRR abs/2407.07253 (2024) - [i29]James Jackaman, Scott P. MacLachlan:
Space-time waveform relaxation multigrid for Navier-Stokes. CoRR abs/2407.13997 (2024) - [i28]Amin Rafiei, Scott P. MacLachlan:
Achieving h- and p-robust monolithic multigrid solvers for the Stokes equations. CoRR abs/2409.14222 (2024) - 2023
- [j50]Tareq Uz Zaman
Coarse-grid selection using simulated annealing. J. Comput. Appl. Math. 431: 115263 (2023) - [j49]Razan Abu-Labdeh
Monolithic multigrid for implicit Runge-Kutta discretizations of incompressible fluid flow. J. Comput. Phys. 478: 111961 (2023) - [j48]James H. Adler
Monolithic Multigrid for a Reduced-Quadrature Discretization of Poroelasticity. SIAM J. Sci. Comput. 45(3): S54-S81 (2023) - [c5]Ali Taghibakhshi, Nicolas Nytko, Tareq Uz Zaman, Scott P. MacLachlan, Luke N. Olson, Matthew West:
MG-GNN: Multigrid Graph Neural Networks for Learning Multilevel Domain Decomposition Methods. ICML 2023: 33381-33395 - [i27]Ali Taghibakhshi, Nicolas Nytko, Tareq-Uz-Zaman
MG-GNN: Multigrid Graph Neural Networks for Learning Multilevel Domain Decomposition Methods. CoRR abs/2301.11378 (2023) - [i26]Tareq Uz Zaman
Generalizing Lloyd's algorithm for graph clustering. CoRR abs/2303.01667 (2023) - [i25]M. Shahid, Scott P. MacLachlan, H. bin Zubair Syed:
Multigrid preconditioning of singularly perturbed convection-diffusion equations. CoRR abs/2305.06823 (2023) - [i24]Ronald D. Haynes
A positivity-preserving unigrid method for elliptic PDEs. CoRR abs/2306.03210 (2023) - [i23]Alexey Voronin, Scott P. MacLachlan, Luke N. Olson, Raymond S. Tuminaro:
Monolithic Algebraic Multigrid Preconditioners for the Stokes Equations. CoRR abs/2306.06795 (2023) - [i22]Matthias Bolten, Scott P. MacLachlan, Misha E. Kilmer:
Multigrid preconditioning for regularized least-squares problems. CoRR abs/2306.11067 (2023) - 2022
- [j47]Patrick E. Farrell, Abdalaziz Hamdan
A new mixed finite-element method for H2 elliptic problems. Comput. Math. Appl. 128: 300-319 (2022) - [j46]Alexey Voronin
Low-order preconditioning of the Stokes equations. Numer. Linear Algebra Appl. 29(3) (2022) - [j45]Scott P. MacLachlan
A Boundary-Layer Preconditioner for Singularly Perturbed Convection Diffusion. SIAM J. Matrix Anal. Appl. 43(2): 561-583 (2022) - [c4]Ali Taghibakhshi, Nicolas Nytko, Tareq Uz Zaman, Scott P. MacLachlan, Luke N. Olson, Matthew West:
Learning Interface Conditions in Domain Decomposition Solvers. NeurIPS 2022 - [i21]Razan Abu-Labdeh, Scott P. MacLachlan, Patrick E. Farrell:
Monolithic multigrid for implicit Runge-Kutta discretizations of incompressible fluid flow. CoRR abs/2202.07381 (2022) - [i20]Ali Taghibakhshi, Nicolas Nytko, Tareq Uz Zaman
Learning Interface Conditions in Domain Decomposition Solvers. CoRR abs/2205.09833 (2022) - [i19]Patrick E. Farrell, Abdalaziz Hamdan, Scott P. MacLachlan:
Finite-element discretization of the smectic density equation. CoRR abs/2207.12916 (2022) - [i18]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) - [i17]James Jackaman, Scott P. MacLachlan:
Preconditioned Krylov solvers for structure-preserving discretisations. CoRR abs/2212.05127 (2022) - [i16]Nicolas Nytko, Ali Taghibakhshi, Tareq-Uz-Zaman
Optimized Sparse Matrix Operations for Reverse Mode Automatic Differentiation. CoRR abs/2212.05159 (2022) - [i15]Tareq Uz Zaman
Generalizing Reduction-Based Algebraic Multigrid. CoRR abs/2212.08371 (2022) - 2021
- [j44]Patrick E. Farrell
A local Fourier analysis of additive Vanka relaxation for the Stokes equations. Numer. Linear Algebra Appl. 28(3) (2021) - [j43]Hans De Sterck
Optimizing multigrid reduction-in-time and Parareal coarse-grid operators for linear advection. Numer. Linear Algebra Appl. 28(4) (2021) - [j42]Jed Brown
Tuning Multigrid Methods with Robust Optimization and Local Fourier Analysis. SIAM J. Sci. Comput. 43(1): A109-A138 (2021) - [j41]James H. Adler
Monolithic Multigrid Methods for Magnetohydrodynamics. SIAM J. Sci. Comput. 43(5): S70-S91 (2021) - [c3]Ali Taghibakhshi, Scott P. MacLachlan, Luke N. Olson, Matthew West:
Optimization-Based Algebraic Multigrid Coarsening Using Reinforcement Learning. NeurIPS 2021: 12129-12140 - [i14]Alexey Voronin, Yunhui He, Scott P. MacLachlan, Luke N. Olson, Ray Tuminaro:
Low-order preconditioning of the Stokes equations. CoRR abs/2103.11967 (2021) - [i13]Federico Danieli, Scott P. MacLachlan:
Multigrid Reduction in Time for non-linear hyperbolic equations. CoRR abs/2104.09404 (2021) - [i12]Patrick E. Farrell, Abdalaziz Hamdan, Scott P. MacLachlan:
A new mixed finite-element method for the biharmonic problem. CoRR abs/2105.07289 (2021) - [i11]Tareq-Uz-Zaman
Coarse-Grid Selection Using Simulated Annealing. CoRR abs/2105.13280 (2021) - [i10]Ali Taghibakhshi, Scott P. MacLachlan, Luke N. Olson, Matthew West:
Optimization-Based Algebraic Multigrid Coarsening Using Reinforcement Learning. CoRR abs/2106.01854 (2021) - [i9]Rüdiger Brecht, Werner Bauer, Alexander Bihlo, François Gay-Balmaz, Scott P. MacLachlan:
Selective decay for the rotating shallow-water equations with a structure-preserving discretization. CoRR abs/2107.02072 (2021) - [i8]James H. Adler, Yunhui He, Xiaozhe Hu, Scott P. MacLachlan, Peter Ohm:
Monolithic multigrid for a reduced-quadrature discretization of poroelasticity. CoRR abs/2107.04060 (2021) - [i7]Jed Brown, Yunhui He, Scott P. MacLachlan:
Local Fourier analysis of Balancing Domain Decomposition by Constraints algorithms. CoRR abs/2108.01841 (2021) - [i6]Scott P. MacLachlan, Niall Madden, Thái Anh Nhan:
A Boundary-Layer Preconditioner for Singularly Perturbed Convection Diffusion. CoRR abs/2108.13468 (2021) - 2020
- [j40]Hans De Sterck, Stephanie Friedhoff, Alexander J. M. Howse, Scott P. MacLachlan:
Convergence analysis for parallel-in-time solution of hyperbolic systems. Numer. Linear Algebra Appl. 27(1) (2020) - [j39]Yunhui He
Two-level Fourier analysis of multigrid for higher-order finite-element discretizations of the Laplacian. Numer. Linear Algebra Appl. 27(3) (2020) - [j38]Hisham Bin Zubair, C. Farquharson, Scott P. MacLachlan
Block Preconditioning Techniques for Geophysical Electromagnetics. SIAM J. Sci. Comput. 42(3): B696-B721 (2020) - [i5]Jed Brown
Tuning Multigrid Methods with Robust Optimization. CoRR abs/2001.00887 (2020) - [i4]J. H. Adler, Thomas R. Benson, Eric C. Cyr, Patrick E. Farrell, Scott P. MacLachlan, Ray S. Tuminaro:
Monolithic Multigrid for Magnetohydrodynamics. CoRR abs/2006.15700 (2020)
2010 – 2019
- 2019
- [j37]James H. Adler, Yunhui He
Vector-potential finite-element formulations for two-dimensional resistive magnetohydrodynamics. Comput. Math. Appl. 77(2): 476-493 (2019) - [j36]Yunhui He
Local Fourier analysis for mixed finite-element methods for the Stokes equations. J. Comput. Appl. Math. 357: 161-183 (2019) - [j35]Alexander J. M. Howse, Hans De Sterck
Parallel-In-Time Multigrid with Adaptive Spatial Coarsening for The Linear Advection and Inviscid Burgers Equations. SIAM J. Sci. Comput. 41(1): A538-A565 (2019) - [j34]Jed Brown
Local Fourier Analysis of Balancing Domain Decomposition By Constraints Algorithms. SIAM J. Sci. Comput. 41(5): S346-S369 (2019) - [c2]James H. Adler
First-Order System Least Squares Finite-Elements for Singularly Perturbed Reaction-Diffusion Equations. LSSC 2019: 3-14 - [i3]Patrick E. Farrell, Yunhui He, Scott P. MacLachlan:
A local Fourier analysis of additive Vanka relaxation for the Stokes equations. CoRR abs/1908.09949 (2019) - [i2]James H. Adler, Scott P. MacLachlan, Niall Madden:
First-order system least squares finite-elements for singularly perturbed reaction-diffusion equations. CoRR abs/1909.08598 (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) - 2018
- [j33]Thái Anh Nhan, Scott P. MacLachlan, Niall Madden
Boundary layer preconditioners for finite-element discretizations of singularly perturbed reaction-diffusion problems. Numer. Algorithms 79(1): 281-310 (2018) - [j32]James H. Adler
Composite-grid multigrid for diffusion on the sphere. Numer. Linear Algebra Appl. 25(1) (2018) - [j31]Yunhui He
Local Fourier analysis of block-structured multigrid relaxation schemes for the Stokes equations. Numer. Linear Algebra Appl. 25(3) (2018) - 2017
- [j30]Robert D. Falgout
Multigrid methods with space-time concurrency. Comput. Vis. Sci. 18(4-5): 123-143 (2017) - [j29]James H. Adler
Preconditioning a mass-conserving discontinuous Galerkin discretization of the Stokes equations. Numer. Linear Algebra Appl. 24(3) (2017) - [j28]J. H. Adler
Combining Deflation and Nested Iteration for Computing Multiple Solutions of Nonlinear Variational Problems. SIAM J. Sci. Comput. 39(1) (2017) - [c1]James H. Adler, Ilya Lashuk, Scott P. MacLachlan, Ludmil T. Zikatanov
Discrete Energy Laws for the First-Order System Least-Squares Finite-Element Approach. LSSC 2017: 3-20 - 2016
- [j27]James H. Adler
Monolithic Multigrid Methods for Two-Dimensional Resistive Magnetohydrodynamics. SIAM J. Sci. Comput. 38(1) (2016) - [j26]James H. Adler
Constrained Optimization for Liquid Crystal Equilibria. SIAM J. Sci. Comput. 38(1) (2016) - 2015
- [j25]Stephanie Friedhoff, Scott P. MacLachlan:
A generalized predictive analysis tool for multigrid methods. Numer. Linear Algebra Appl. 22(4): 618-647 (2015) - [j24]James H. Adler
An Energy-Minimization Finite-Element Approach for the Frank-Oseen Model of Nematic Liquid Crystals. SIAM J. Numer. Anal. 53(5): 2226-2254 (2015) - [j23]James H. Adler
Energy Minimization for Liquid Crystal Equilibrium with Electric and Flexoelectric Effects. SIAM J. Sci. Comput. 37(5) (2015) - 2014
- [j22]Scott P. MacLachlan, Luke N. Olson:
Theoretical bounds for algebraic multigrid performance: review and analysis. Numer. Linear Algebra Appl. 21(2): 194-220 (2014) - [j21]Robert D. Falgout
Parallel Time Integration with Multigrid. SIAM J. Sci. Comput. 36(6) (2014) - 2013
- [j20]Stephanie Friedhoff, Scott P. MacLachlan, Christoph Börgers:
Local Fourier Analysis of Space-Time Relaxation and Multigrid Schemes. SIAM J. Sci. Comput. 35(5) (2013) - [j19]Scott P. MacLachlan, Niall Madden
Robust Solution of Singularly Perturbed Problems Using Multigrid Methods. SIAM J. Sci. Comput. 35(5) (2013) - 2012
- [j18]Scott P. MacLachlan, J. David Moulton
Robust and adaptive multigrid methods: comparing structured and algebraic approaches. Numer. Linear Algebra Appl. 19(2): 389-413 (2012) - [j17]Scott P. MacLachlan, Daniel Osei-Kuffuor
Modification and Compensation Strategies for Threshold-based Incomplete Factorizations. SIAM J. Sci. Comput. 34(1) (2012) - 2011
- [j16]Eldad Haber, Scott P. MacLachlan:
A fast method for the solution of the Helmholtz equation. J. Comput. Phys. 230(12): 4403-4418 (2011) - [j15]Scott P. MacLachlan, Cornelis W. Oosterlee
Local Fourier analysis for multigrid with overlapping smoothers applied to systems of PDEs. Numer. Linear Algebra Appl. 18(4): 751-774 (2011) - [j14]D. Chen, Scott P. MacLachlan, Misha E. Kilmer:
Iterative Parameter-Choice and Multigrid Methods for Anisotropic Diffusion Denoising. SIAM J. Sci. Comput. 33(5): 2972-2994 (2011) - 2010
- [j13]Christoph Börgers, Scott P. MacLachlan:
An angular multigrid method for computing mono-energetic particle beams in Flatland. J. Comput. Phys. 229(8): 2914-2931 (2010) - [j12]Hisham Bin Zubair, Scott P. MacLachlan, Cornelis W. Oosterlee
A geometric multigrid method based on L-shaped coarsening for PDEs on stretched grids. Numer. Linear Algebra Appl. 17(6): 871-894 (2010) - [j11]Jok Man Tang, Scott P. MacLachlan, Reinhard Nabben, Cornelis Vuik
A Comparison of Two-Level Preconditioners Based on Multigrid and Deflation. SIAM J. Matrix Anal. Appl. 31(4): 1715-1739 (2010)
2000 – 2009
- 2009
- [j10]N. Umetani, Scott P. MacLachlan, Cornelis W. Oosterlee
A multigrid-based shifted Laplacian preconditioner for a fourth-order Helmholtz discretization. Numer. Linear Algebra Appl. 16(8): 603-626 (2009) - 2008
- [j9]Scott P. MacLachlan, Jok Man Tang, Cornelis Vuik
Fast and robust solvers for pressure-correction in bubbly flow problems. J. Comput. Phys. 227(23): 9742-9761 (2008) - [j8]Scott P. MacLachlan, Cornelis W. Oosterlee
Algebraic Multigrid Solvers for Complex-Valued Matrices. SIAM J. Sci. Comput. 30(3): 1548-1571 (2008) - 2007
- [j7]Scott P. MacLachlan, Yousef Saad
A Greedy Strategy for Coarse-Grid Selection. SIAM J. Sci. Comput. 29(5): 1825-1853 (2007) - [j6]Scott P. MacLachlan, Yousef Saad
Greedy Coarsening Strategies for Nonsymmetric Problems. SIAM J. Sci. Comput. 29(5): 2115-2143 (2007) - 2006
- [j5]James J. Brannick, Marian Brezina, Scott P. MacLachlan, Thomas A. Manteuffel, Stephen F. McCormick, John W. Ruge:
An energy-based AMG coarsening strategy. Numer. Linear Algebra Appl. 13(2-3): 133-148 (2006) - [j4]Scott P. MacLachlan, Tom Manteuffel, Steve F. McCormick:
Adaptive reduction-based AMG. Numer. Linear Algebra Appl. 13(8): 599-620 (2006) - [j3]Marian Brezina, Robert D. Falgout
Adaptive Algebraic Multigrid. SIAM J. Sci. Comput. 27(4): 1261-1286 (2006) - 2005
- [j2]Marian Brezina, Robert D. Falgout
Adaptive Smoothed Aggregation (AlphaSA) Multigrid. SIAM Rev. 47(2): 317-346 (2005) - 2004
- [j1]Marian Brezina, Robert D. Falgout
Adaptive Smoothed Aggregation (αSA). SIAM J. Sci. Comput. 25(6): 1896-1920 (2004)
Coauthor Index
manage site settings
To protect your privacy, all features that rely on external API calls from your browser are turned off by default. You need to opt-in for them to become active. All settings here will be stored as cookies with your web browser. For more information see our F.A.Q.
Unpaywalled article links
Add open access links from to the list of external document links (if available).
Privacy notice: By enabling the option above, your browser will contact the API of unpaywall.org to load hyperlinks to open access articles. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Unpaywall privacy policy.
Archived links via Wayback Machine
For web page which are no longer available, try to retrieve content from the of the Internet Archive (if available).
Privacy notice: By enabling the option above, your browser will contact the API of archive.org to check for archived content of web pages that are no longer available. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Internet Archive privacy policy.
Reference lists
Add a list of references from ,
, and
to record detail pages.
load references from crossref.org and opencitations.net
Privacy notice: By enabling the option above, your browser will contact the APIs of crossref.org, opencitations.net, and semanticscholar.org to load article reference information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Crossref privacy policy and the OpenCitations privacy policy, as well as the AI2 Privacy Policy covering Semantic Scholar.
Citation data
Add a list of citing articles from and
to record detail pages.
load citations from opencitations.net
Privacy notice: By enabling the option above, your browser will contact the API of opencitations.net and semanticscholar.org to load citation information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the OpenCitations privacy policy as well as the AI2 Privacy Policy covering Semantic Scholar.
OpenAlex data
Load additional information about publications from .
Privacy notice: By enabling the option above, your browser will contact the API of openalex.org to load additional information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the information given by OpenAlex.
last updated on 2024-12-03 20:27 CET by the dblp team
all metadata released as open data under CC0 1.0 license
see also: Terms of Use | Privacy Policy | Imprint
dblp was originally created in 1993 at:
since 2018, dblp has been operated and maintained by:
the dblp computer science bibliography is funded and supported by: