COPPER 2017: 18TH COPPER MOUNTAIN CONFERENCE ON MULTIGRID METHODS

This page contains an index consisting of author-provided keywords.

A
Accelerators	Implementing an efficient distributed H-matrix direct LLt solver using a hybrid MPI/task-based programming model
adaptive finite elements	A Geometric Multigrid Preconditioning Strategy for DPG System Matrices
Adaptive spatial coarsening	Multigrid Reduction in Time with Adaptive Spatial Coarsening for the Linear Advection Equation
adaptivity	Algebraic multigrid methods for an adaptive space-time finite element discretization Multigrid Reduction in Time with Space-Time Adaptivity Parallel Adaptive and Robust Multigrid
Aggregation-based AMG	MueLu - a multigrid framework for multiphysics preconditioners
algebraic multigrid	A class of parallel hybrid algorithms based on field-splitting, AMG and ASM in MOOSE Towards a More Algebraic hp-Multigrid Optimal Interpolation in Algebraic Multigrid Methods Understanding Complexity of Evolving High Performance Computing Systems to Predict Performance Spectral clustering of signed graphs with algebraic multigrid preconditioning Spectral Coarsening for Graph Laplacian Problems Distance Laplacians and Algebraic Multigrid Algebraic Multigrid for Directed Graph Laplacian Linear Systems (NS-LAMG) An algebraic multigrid approach to scalable graphs for multiscale modeling Hybrid Multigrid Methods for Nearly Structured Meshes Reduction-based Algebraic Multigrid for Upwind Discretizations Algebraic multigrid support vector machines Explicit Vectorization for Algebraic Multigrid Methods MueLu - a multigrid framework for multiphysics preconditioners Reducing Communication Costs in Sparse Matrix-Vector Multiplication Multigrid preconditioning for matrix-free operators An algebraic multigrid solver for multiphase flow in porous media with phase transitions
Algebraic Multigrid Method	Algebraic Multilevel Methods for Computing Diffusion-Based Metrics on Graphs Performance Analysis of SA-AMG Solver with Additional Near-Kernel Vectors at Coarser Levels
AMG	The Role of Performance Modeling for Numerical Algorithms Multigrid preconditioning techniques for geophysical electromagnetics Robust AMG interpolation with target vectors MueLu - a multigrid framework for multiphysics preconditioners
AMGe	Geometric Multigrid with Operator-Dependent Coarse Spaces
AMS solver	Multigrid preconditioning techniques for geophysical electromagnetics
Approximate Schur Complement	Multigrid preconditioning techniques for geophysical electromagnetics
Asynchronous Communication	OPTIMIZING COMMUNICATIONS IN MULTI-GRID METHODS USING GPUDIRECT ASYNC
B
Biot's consolidation model	Weakly imposed symmetry and robust preconditioners for Biot's consolidation model
block LFA	A multigrid perspective on the parallel full approximation scheme in space and time
Block preconditioning	MULTIGRID BLOCK PRECONDITIONING FOR THE LOW-MACH COMPRESSIBLE NAVIER-STOKES EQUATIONS WITH LASER-INDUCED PHASE CHANGE
bootstrap	Optimal Interpolation in Algebraic Multigrid Methods
BoxMG	Preparing Robust Structured Multigrid for Exascale
Braess-Sarazin-type relaxation	Local Fourier analysis of Braess-Sarazin relaxation for the Stokes equations
C
C++	FleCSI: Flexible Computational Infrastructure
C++17	FleCSI: Flexible Computational Infrastructure
Classification	Algebraic multigrid support vector machines
Compressible flow	MULTIGRID BLOCK PRECONDITIONING FOR THE LOW-MACH COMPRESSIBLE NAVIER-STOKES EQUATIONS WITH LASER-INDUCED PHASE CHANGE
Conjugate gradient method	Robust optimization of PDE constrained systems using a multilevel Monte Carlo method
Coupled block matrix systems	Multigrid preconditioning techniques for geophysical electromagnetics
Coupling system	Monolithic Multigrid Method for the Coupled Stokes Flow and Deformable Porous Medium System
critical exponent	An algebraic multigrid approach to scalable graphs for multiscale modeling
CSEM	Multigrid preconditioning techniques for geophysical electromagnetics
curl-curl	Multigrid preconditioning techniques for geophysical electromagnetics
D
DAE	A parallel-in-time algorithm for variable stepsize multistep methods applied to DAEs
Darcy Flow	Geometric Multigrid with Operator-Dependent Coarse Spaces
Data Parallelism	FleCSI: Flexible Computational Infrastructure
Diffusion-based metric	Algebraic Multilevel Methods for Computing Diffusion-Based Metrics on Graphs
Direct h-matrix solver	Implementing an efficient distributed H-matrix direct LLt solver using a hybrid MPI/task-based programming model
Directed graphs	Algebraic Multigrid for Directed Graph Laplacian Linear Systems (NS-LAMG)
Discontinuous Galerkin	Parallel geometric multigrid for high order discontinuous Galerkin methods An iterative approach for time-parallel time integration based on discontinuous Galerkin methods
Discontinuous Galerkin method	MULTIGRID BLOCK PRECONDITIONING FOR THE LOW-MACH COMPRESSIBLE NAVIER-STOKES EQUATIONS WITH LASER-INDUCED PHASE CHANGE
Discontinuous Petrov-Galerkin methods	A Geometric Multigrid Preconditioning Strategy for DPG System Matrices
Distributed Memory Iterative Solver	A Parallel Solver for Graph Laplacians
Distributed-Memory	FleCSI: Flexible Computational Infrastructure
Divergence-conforming	Multigrid methods for isogeometric Navier-Stokes discretizations
domain decomposition	A class of parallel hybrid algorithms based on field-splitting, AMG and ASM in MOOSE
dual methods	Comparison of LL* and Inverse LL* Least-Squares Finite Element Methods for Hyperbolic Problems
dual schur complement	A partitioned method for explicit elastodynamics based on a generalized dual Schur complement
E
Electromagnetism	Implementing an efficient distributed H-matrix direct LLt solver using a hybrid MPI/task-based programming model
element-free AMGe	Robust AMG interpolation with target vectors
Exascale Systems	Understanding Complexity of Evolving High Performance Computing Systems to Predict Performance
Explicit Vectorization	Explicit Vectorization for Algebraic Multigrid Methods
F
field-splitting	A class of parallel hybrid algorithms based on field-splitting, AMG and ASM in MOOSE
finite element	An efficient prewavelet approach for the solution of second order elliptic differential equations with variable coefficient on sparse grids Multigrid preconditioning for matrix-free operators
Finite Volume Method
Finite volume methods	Spectral Coarsening for Graph Laplacian Problems
First Order System Least Squares	Fluidity-Based, Newton-FOSLS Approach to Stokes Flow for Ice Sheets with Basal Sliding
fluid-structure interaction	Towards a Parallel-in-Time Multigrid Solver for Fluid-Structure Interaction Problems
Full Approximation Scheme	Nonlinear Multigrid Method Applied to Thermal Radiative Transfer
G
geometric multigrid	Geometric Multigrid with Operator-Dependent Coarse Spaces Geometric Multigrid for Graphene A Geometric Multigrid Preconditioning Strategy for DPG System Matrices A Robust Multigrid Solver for Highly Anisotropic and Singular Elliptic Problems on Spheres Multigrid methods for isogeometric Navier-Stokes discretizations Hybrid Multigrid Methods for Nearly Structured Meshes Parallel geometric multigrid for high order discontinuous Galerkin methods
geometric multigrid methods	Multigrid smoothers for the Stokes problem
geoscience	SPH-REXI: An efficient parallel-in-time solver with application in ocean and atmospheric simulations on the sphere
GPU	OPTIMIZING COMMUNICATIONS IN MULTI-GRID METHODS USING GPUDIRECT ASYNC
GPUDirect Async	OPTIMIZING COMMUNICATIONS IN MULTI-GRID METHODS USING GPUDIRECT ASYNC
graph grammar	An algebraic multigrid approach to scalable graphs for multiscale modeling
Graph Laplacian	Algebraic Multilevel Methods for Computing Diffusion-Based Metrics on Graphs Spectral clustering of signed graphs with algebraic multigrid preconditioning Spectral Coarsening for Graph Laplacian Problems A Parallel Solver for Graph Laplacians Solving Graph Laplacian Systems Through Recursive Partitioning and Two-Grid Preconditioning
Graph Laplacians	Algebraic Multigrid for Directed Graph Laplacian Linear Systems (NS-LAMG)
graph lineage	An algebraic multigrid approach to scalable graphs for multiscale modeling
H
Helmholtz	Shifted Laplacian Multigrid for the Elastic Helmholtz Equation
Helmholtz equations	A Robust Multigrid Solver for Highly Anisotropic and Singular Elliptic Problems on Spheres
heterogeneity	On nonlinear adaptivity with heterogeneity
heterogeneous systems	Multigrid on heterogeneous systems
HHG	Hybrid Multigrid Methods for Nearly Structured Meshes
high-order	Multigrid preconditioning for matrix-free operators
higher order	Towards a More Algebraic hp-Multigrid
hp-multigrid	Towards a More Algebraic hp-Multigrid
HPC	Implementing an efficient distributed H-matrix direct LLt solver using a hybrid MPI/task-based programming model
HPGMG-FV	OPTIMIZING COMMUNICATIONS IN MULTI-GRID METHODS USING GPUDIRECT ASYNC
hybrid	Comparison of LL* and Inverse LL* Least-Squares Finite Element Methods for Hyperbolic Problems
Hybrid programming models	Implementing an efficient distributed H-matrix direct LLt solver using a hybrid MPI/task-based programming model
Hybridized mixed method	A Robust Overlapping Domain Decomposition Method for a New Hybridizable Mixed Discretization of Linear Elasticity
hyperbolic	Comparison of LL* and Inverse LL* Least-Squares Finite Element Methods for Hyperbolic Problems
hyperbolic PDEs	Reduction-based Algebraic Multigrid for Upwind Discretizations
hyperbolic problems	Multigrid Reduction in Time with Adaptive Spatial Coarsening for the Linear Advection Equation
I
Ice Sheets	Fluidity-Based, Newton-FOSLS Approach to Stokes Flow for Ice Sheets with Basal Sliding
ill-conditioning	A Robust Multigrid Solver for Highly Anisotropic and Singular Elliptic Problems on Spheres
implicit coupling
Implicit Line Solver	Scalable Solution Strategies for Stabilized Finite-Element Flow Solvers on Unstructured Meshes
indefinite operators	Geometric Multigrid for Graphene
Interface conditions	Monolithic Multigrid Method for the Coupled Stokes Flow and Deformable Porous Medium System
interpolation coefficients	Robust AMG interpolation with target vectors
Inverse Problems	Multigrid Methods for Regularized Problems
J
Jacobi iteration	Local Fourier analysis of Braess-Sarazin relaxation for the Stokes equations
K
Kokkos	FleCSI: Flexible Computational Infrastructure
L
least-squares	Comparison of LL* and Inverse LL* Least-Squares Finite Element Methods for Hyperbolic Problems
Legion	FleCSI: Flexible Computational Infrastructure
Linear elasticity	Shifted Laplacian Multigrid for the Elastic Helmholtz Equation
Linear solver	Performance Analysis of SA-AMG Solver with Additional Near-Kernel Vectors at Coarser Levels
linear systems	Reduction-based Algebraic Multigrid for Upwind Discretizations
LOBPCG	Spectral clustering of signed graphs with algebraic multigrid preconditioning
Local Fourier analysis	Geometric Multigrid for Graphene Local Fourier analysis of Braess-Sarazin relaxation for the Stokes equations Monolithic Multigrid Method for the Coupled Stokes Flow and Deformable Porous Medium System
low communication	Studying Convergence of Nested Iteration with Range Decomposition
Low-Mach flow	MULTIGRID BLOCK PRECONDITIONING FOR THE LOW-MACH COMPRESSIBLE NAVIER-STOKES EQUATIONS WITH LASER-INDUCED PHASE CHANGE
M
magnetohydrodynamics	A Mixed-Method B-Field Finite-Element Formulation for Incompressible, Resistive Magnetohydrodynamics
matrix-free	Multigrid preconditioning for matrix-free operators
Maxwell's equations	Multigrid preconditioning techniques for geophysical electromagnetics
Mesh	FleCSI: Flexible Computational Infrastructure
Message Passing Interface	Is the Pingpong Communication Model Still Relevant?
MGRIT	Multigrid Reduction in Time with Adaptive Spatial Coarsening for the Linear Advection Equation
MHD	MueLu - a multigrid framework for multiphysics preconditioners
mixed finite element methods	Scalable Hierarchical Sampling of Gaussian Random Fields for Large-Scale Multilevel Monte Carlo Simulations
mixed finite elements	A Mixed-Method B-Field Finite-Element Formulation for Incompressible, Resistive Magnetohydrodynamics
Moment-based Acceleration	Nonlinear Multigrid Method Applied to Thermal Radiative Transfer
monolithic multigrid	A Mixed-Method B-Field Finite-Element Formulation for Incompressible, Resistive Magnetohydrodynamics
moose	A class of parallel hybrid algorithms based on field-splitting, AMG and ASM in MOOSE
moving domain problems	Towards a Parallel-in-Time Multigrid Solver for Fluid-Structure Interaction Problems
MPI	Multigrid on heterogeneous systems FleCSI: Flexible Computational Infrastructure
MueLu	MueLu - a multigrid framework for multiphysics preconditioners
Multi-Grid	OPTIMIZING COMMUNICATIONS IN MULTI-GRID METHODS USING GPUDIRECT ASYNC
multi-grid-in time	A Performance Model for Allocating the Parallelism in a Multigrid-in-Time Solver
Multi-Physics	FleCSI: Flexible Computational Infrastructure
Multigrid	On nonlinear adaptivity with heterogeneity Hybrid Multigrid Methods for Nearly Structured Meshes Scalable Solution Strategies for Stabilized Finite-Element Flow Solvers on Unstructured Meshes Multigrid Methods for Regularized Problems An iterative approach for time-parallel time integration based on discontinuous Galerkin methods MueLu - a multigrid framework for multiphysics preconditioners Parallel Adaptive and Robust Multigrid
Multigrid method	Monolithic Multigrid Method for the Coupled Stokes Flow and Deformable Porous Medium System
multigrid methods	Extending the flexibility of XBraid to implement various space-time parallel multigrid methods A multigrid perspective on the parallel full approximation scheme in space and time Multigrid waveform relaxation for solving the time-fractional heat equation
Multigrid reduction	Multigrid reduction framework for PDE systems
multigrid reduction in time	Multigrid Reduction in Time with Space-Time Adaptivity Multigrid Reduction in Time with Adaptive Spatial Coarsening for the Linear Advection Equation
multigrid-reduction-in-time	Towards a Parallel-in-Time Multigrid Solver for Fluid-Structure Interaction Problems
Multilelevel	Algebraic multigrid support vector machines
multilevel Monte Carlo	Multilevel Posterior Mean Estimation for Uncertainty Quantification in Subsurface Flow Robust optimization of PDE constrained systems using a multilevel Monte Carlo method Scalable Hierarchical Sampling of Gaussian Random Fields for Large-Scale Multilevel Monte Carlo Simulations
Multiphase Flow	An algebraic multigrid solver for multiphase flow in porous media with phase transitions
Multiphisics	Seggregated smoothers in the multigrid treatment of poroelasticity system
Multiphysics preconditioner	MueLu - a multigrid framework for multiphysics preconditioners
multistep method	A parallel-in-time algorithm for variable stepsize multistep methods applied to DAEs
N
Navier-Stokes discretizations	Multigrid methods for isogeometric Navier-Stokes discretizations
Near-kernel vectors	Performance Analysis of SA-AMG Solver with Additional Near-Kernel Vectors at Coarser Levels
Nearly incompressible elasticity	A Robust Overlapping Domain Decomposition Method for a New Hybridizable Mixed Discretization of Linear Elasticity
Neumann boundary conditions	A Robust Multigrid Solver for Highly Anisotropic and Singular Elliptic Problems on Spheres
Newton method	Robust optimization of PDE constrained systems using a multilevel Monte Carlo method
Newton-Krylov algorithm	MULTIGRID BLOCK PRECONDITIONING FOR THE LOW-MACH COMPRESSIBLE NAVIER-STOKES EQUATIONS WITH LASER-INDUCED PHASE CHANGE
non-coincident interfaces	A partitioned method for explicit elastodynamics based on a generalized dual Schur complement
non-symmetric	Reduction-based Algebraic Multigrid for Upwind Discretizations
non-symmetric systems	A Robust Multigrid Solver for Highly Anisotropic and Singular Elliptic Problems on Spheres
nonlinear	On nonlinear adaptivity with heterogeneity
Nonlinear Problems	Multigrid Methods for Regularized Problems
Nonlinear Stokes Equations	Fluidity-Based, Newton-FOSLS Approach to Stokes Flow for Ice Sheets with Basal Sliding
Numerical upscaling	Spectral Coarsening for Graph Laplacian Problems
O
Octree	FleCSI: Flexible Computational Infrastructure
OpenCL	Multigrid on heterogeneous systems
OpenMP	FleCSI: Flexible Computational Infrastructure
optimization and runtime tuning	The Role of Performance Modeling for Numerical Algorithms
Overlapping Schwarz method	A Robust Overlapping Domain Decomposition Method for a New Hybridizable Mixed Discretization of Linear Elasticity
P
Parallel	FleCSI: Flexible Computational Infrastructure
parallel algorithms	A class of parallel hybrid algorithms based on field-splitting, AMG and ASM in MOOSE Studying Convergence of Nested Iteration with Range Decomposition
parallel communication	Reducing Communication Costs in Sparse Matrix-Vector Multiplication
parallel computing	A Performance Model for Allocating the Parallelism in a Multigrid-in-Time Solver
parallel multigrid	Preparing Robust Structured Multigrid for Exascale Finite Element Based Multigrid at Scale
parallel performance	Preparing Robust Structured Multigrid for Exascale Parallel geometric multigrid for high order discontinuous Galerkin methods
Parallel Software	Explicit Vectorization for Algebraic Multigrid Methods
parallel time integration	Multigrid Reduction in Time with Space-Time Adaptivity A multigrid perspective on the parallel full approximation scheme in space and time An iterative approach for time-parallel time integration based on discontinuous Galerkin methods
parallel-in-time	Multigrid Reduction in Time with Adaptive Spatial Coarsening for the Linear Advection Equation Towards a Parallel-in-Time Multigrid Solver for Fluid-Structure Interaction Problems A parallel-in-time algorithm for variable stepsize multistep methods applied to DAEs
parallel-in-time integration	Extending the flexibility of XBraid to implement various space-time parallel multigrid methods
parallelisation	Multigrid on heterogeneous systems
Parallelism	Kokkos and Legion Implementations of the SNAP Proxy Application Parallel Adaptive and Robust Multigrid
Parameter robust preconditioning	Weakly imposed symmetry and robust preconditioners for Biot's consolidation model
partitioned algorithm	A partitioned method for explicit elastodynamics based on a generalized dual Schur complement
PDE applications	Distance Laplacians and Algebraic Multigrid
PDE solvers	Studying Convergence of Nested Iteration with Range Decomposition
PDE system	Multigrid reduction framework for PDE systems
PDE systems	Distance Laplacians and Algebraic Multigrid
PDEs	An algebraic multigrid solver for multiphase flow in porous media with phase transitions
PDEs with random input coefficients	Scalable Hierarchical Sampling of Gaussian Random Fields for Large-Scale Multilevel Monte Carlo Simulations
Performance evaluation	Performance Analysis of SA-AMG Solver with Additional Near-Kernel Vectors at Coarser Levels
performance gap	Finite Element Based Multigrid at Scale
performance model	Is the Pingpong Communication Model Still Relevant? A Performance Model for Allocating the Parallelism in a Multigrid-in-Time Solver
performance modeling	The Role of Performance Modeling for Numerical Algorithms
Performance Predictions	Understanding Complexity of Evolving High Performance Computing Systems to Predict Performance
PFASST	A multigrid perspective on the parallel full approximation scheme in space and time
Phase change	MULTIGRID BLOCK PRECONDITIONING FOR THE LOW-MACH COMPRESSIBLE NAVIER-STOKES EQUATIONS WITH LASER-INDUCED PHASE CHANGE
Physics-based preconditioning	MULTIGRID BLOCK PRECONDITIONING FOR THE LOW-MACH COMPRESSIBLE NAVIER-STOKES EQUATIONS WITH LASER-INDUCED PHASE CHANGE
pingpong test	Is the Pingpong Communication Model Still Relevant?
Poroelastic equations	Monolithic Multigrid Method for the Coupled Stokes Flow and Deformable Porous Medium System
Poroelasticity	Seggregated smoothers in the multigrid treatment of poroelasticity system
power grid	A parallel-in-time algorithm for variable stepsize multistep methods applied to DAEs
pressure-velocity system
Programming Models	FleCSI: Flexible Computational Infrastructure
proxy applications	Kokkos and Legion Implementations of the SNAP Proxy Application
R
RANS	Scalable Solution Strategies for Stabilized Finite-Element Flow Solvers on Unstructured Meshes
rational approximation of exponential integrator	SPH-REXI: An efficient parallel-in-time solver with application in ocean and atmospheric simulations on the sphere
recursive bisection	Solving Graph Laplacian Systems Through Recursive Partitioning and Two-Grid Preconditioning
reduction	Reduction-based Algebraic Multigrid for Upwind Discretizations
reservoir simulation	Multigrid reduction framework for PDE systems Spectral Coarsening for Graph Laplacian Problems
residual-based a posteriori error estimation algebraic multigrid methods	Algebraic multigrid methods for an adaptive space-time finite element discretization
Robust optimization	Robust optimization of PDE constrained systems using a multilevel Monte Carlo method
runtimes	Kokkos and Legion Implementations of the SNAP Proxy Application
S
Saddle point problem	Multigrid reduction framework for PDE systems
Scalability	Scalable Solution Strategies for Stabilized Finite-Element Flow Solvers on Unstructured Meshes
Seggregated smoother	Seggregated smoothers in the multigrid treatment of poroelasticity system
segmental refinement	On nonlinear adaptivity with heterogeneity
shallow water	SPH-REXI: An efficient parallel-in-time solver with application in ocean and atmospheric simulations on the sphere
Shifted Laplacian	Shifted Laplacian Multigrid for the Elastic Helmholtz Equation
signed graph	Spectral clustering of signed graphs with algebraic multigrid preconditioning
signed Laplacian	Spectral clustering of signed graphs with algebraic multigrid preconditioning
simi-orthogonality	An efficient prewavelet approach for the solution of second order elliptic differential equations with variable coefficient on sparse grids
smoothers	Multigrid smoothers for the Stokes problem
Software Framework	MueLu - a multigrid framework for multiphysics preconditioners
solvers	Reduction-based Algebraic Multigrid for Upwind Discretizations
space-time finite element	Algebraic multigrid methods for an adaptive space-time finite element discretization
space-time parallelism	Extending the flexibility of XBraid to implement various space-time parallel multigrid methods
sparse grid	An efficient prewavelet approach for the solution of second order elliptic differential equations with variable coefficient on sparse grids
sparse matrix-vector multiplication	Reducing Communication Costs in Sparse Matrix-Vector Multiplication
spectral clustering	Spectral clustering of signed graphs with algebraic multigrid preconditioning
spherical harmonics	SPH-REXI: An efficient parallel-in-time solver with application in ocean and atmospheric simulations on the sphere
staggered finite-difference method	Local Fourier analysis of Braess-Sarazin relaxation for the Stokes equations
staggered triangular grid	Geometric Multigrid for Graphene
Stochastic PDEs	Multilevel Posterior Mean Estimation for Uncertainty Quantification in Subsurface Flow
Stokes	Multigrid smoothers for the Stokes problem
Stokes equations	Local Fourier analysis of Braess-Sarazin relaxation for the Stokes equations Monolithic Multigrid Method for the Coupled Stokes Flow and Deformable Porous Medium System
Structure-preserving	Multigrid methods for isogeometric Navier-Stokes discretizations
structured multigrid	Multigrid on heterogeneous systems Preparing Robust Structured Multigrid for Exascale
SUPG	Scalable Solution Strategies for Stabilized Finite-Element Flow Solvers on Unstructured Meshes
support graph preconditioners	Solving Graph Laplacian Systems Through Recursive Partitioning and Two-Grid Preconditioning
Support Vector Machine	Algebraic multigrid support vector machines
systems of PDEs	Multigrid smoothers for the Stokes problem
T
Tasks	Implementing an efficient distributed H-matrix direct LLt solver using a hybrid MPI/task-based programming model
Template Metaprogramming	FleCSI: Flexible Computational Infrastructure
textbook efficiency	Finite Element Based Multigrid at Scale
Thermal Radiative Transfer	Nonlinear Multigrid Method Applied to Thermal Radiative Transfer
time integration	A parallel-in-time algorithm for variable stepsize multistep methods applied to DAEs
time-fractional heat equation	Multigrid waveform relaxation for solving the time-fractional heat equation
Topology	FleCSI: Flexible Computational Infrastructure
topology-aware methods	Reducing Communication Costs in Sparse Matrix-Vector Multiplication
transport	Comparison of LL* and Inverse LL* Least-Squares Finite Element Methods for Hyperbolic Problems
Tree	FleCSI: Flexible Computational Infrastructure
Trilinos	MueLu - a multigrid framework for multiphysics preconditioners
two-grid methods	Solving Graph Laplacian Systems Through Recursive Partitioning and Two-Grid Preconditioning
two-grid theory	Optimal Interpolation in Algebraic Multigrid Methods
U
Uncertainty	Robust optimization of PDE constrained systems using a multilevel Monte Carlo method
Uncertainty Quantification	Multilevel Posterior Mean Estimation for Uncertainty Quantification in Subsurface Flow
Unsmoothed Aggregation Multigrid	A Parallel Solver for Graph Laplacians
Unstructured Grids	Scalable Solution Strategies for Stabilized Finite-Element Flow Solvers on Unstructured Meshes
upwind	Reduction-based Algebraic Multigrid for Upwind Discretizations
Uzawa smoother	Monolithic Multigrid Method for the Coupled Stokes Flow and Deformable Porous Medium System
V
Vanka smoother	Monolithic Multigrid Method for the Coupled Stokes Flow and Deformable Porous Medium System
variable coefficient	An efficient prewavelet approach for the solution of second order elliptic differential equations with variable coefficient on sparse grids
W
waveform relaxation	Multigrid waveform relaxation for solving the time-fractional heat equation
Weak symmetry	Weakly imposed symmetry and robust preconditioners for Biot's consolidation model
X
XBraid	Multigrid Reduction in Time with Adaptive Spatial Coarsening for the Linear Advection Equation

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