CM2019: 19TH COPPER MOUNTAIN CONFERENCE ON MULTIGRID METHODS
PROGRAM

Days: Sunday, March 24th Monday, March 25th Tuesday, March 26th Wednesday, March 27th Thursday, March 28th

Sunday, March 24th

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Monday, March 25th

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07:30-08:30Breakfast Buffet
08:00-10:05 Session 4A: Parallel time integration (Part 1 of 3)
08:00
Three Multigrid Interpretations of the Parareal Algorithm (abstract)
08:25
Space-Time Finite Element Solvers of Parabolic Evolution Problems with Non-smooth Solutions (abstract)
08:50
Multilevel convergence theory for multigrid-reduction-in-time (MGRIT) (abstract)
09:15
Multigrid Reduction in Time preconditioning for parallel-in-time Krylov solver (abstract)
09:40
Space-time adaptivity with multigrid reduction in time for the compressible Navier-Stokes equations (abstract)
08:00-10:05 Session 4B: Multigrid, software, and performance
08:00
Error Analysis of Inline ZFP Compression for Multigrid Methods (abstract)
08:25
Fast and backward stable parallel MGS-GMRES (abstract)
08:50
Optimizing communication of Krylov subspace methods using blocking and pipelining techniques (abstract)
09:15
adaFACx - smoothed restriction to damp additive multigrid (abstract)
09:40
Toward interoperability support between scalable linear solver libraries in hypre (abstract)
10:05-10:25Coffee and Tea Break
10:25-12:30 Session 5A: Machine learning and multilevel methods
10:25
Learning Prolongation for Diffusion Problems with Random Coefficients (abstract)
10:50
Multilevel Methods for Neural Networks (abstract)
11:15
Multigrid Methods , Finite Elements and Deep Neural Networks (abstract)
11:40
Can we do better? Using machine learning to optimize multigrid methods (abstract)
12:05
Towards the automatic optimization of geometric multigrid methods with evolutionary computation (abstract)
10:25-12:30 Session 5B: Coupled physics problems (Part 1 of 2)
10:25
PCPATCH - A new preconditioner in PETSc to express subspace correction methods (abstract)
10:50
A Reynolds-robust augmented Lagrangian preconditioner for the 3D stationary Navier-Stokes (abstract)
11:15
Braess-Sarazin relaxation for H(div) and H(curl) (abstract)
11:40
A monolithic mixed-dimensional multigrid method for single-phase flow in fractured porous media (abstract)
12:05
On Scalable Block Preconditiooners for Implicit / IMEX FE Continuum Plasma Physics Models (abstract)
12:30-16:00Lunch Break
16:00-16:30Coffee and Tea Break
16:30-18:35 Session 6A: Algebraic multigrid
16:30
Algebraic Multgirid: theory and practice (abstract)
16:55
An Adaptive AMG preconditioner for ill-conditioned structural problems (abstract)
17:20
Automatic Construction of AMG Smoothers (abstract)
17:45
Algebraic Multigrid for Systems of Elliptic Boundary-Value Problems (abstract)
18:10
Parallel performance of algebraic multigrid with domain decomposition (abstract)
16:30-18:35 Session 6B: Algorithms and performance on emerging architectures
16:30
Highly Parallel Additive Multigrid with Scaled Correction (abstract)
16:55
Parallel Multigrid with Adaptive Multilevel hCGA on Manycore Clusters (abstract)
17:20
revisiting Householder orthogonalization scheme for iterative methods (abstract)
17:45
An efficient asynchronous incomplete LU iteration for convection-diffusion problems on structured grids (abstract)
18:10
Algorithm Exploitation & Evolving AI/Cognitive Examples on IBM’s Data Centric Systems (abstract)
Tuesday, March 26th

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07:30-08:30Breakfast Buffet
08:00-10:05 Session 7A: Parallel time integration (Part 2 of 3)
08:00
On selecting coarse-grid operators for Parareal and MGRIT applied to linear advection (abstract)
08:25
Convergence analysis for parallel-in-time solution of hyperbolic systems (abstract)
08:50
Hyperbolic PDEs and Parallel-In-Time: A Revival in Reduction Methods (abstract)
09:15
Computation of Gaussian quadrature rules using a multi-level Parareal-like parallel approach applied to the Stieltjes procedure (abstract)
09:40
Analysis of an overlapping variant of parareal (abstract)
08:00-10:05 Session 7B: Multigrid and discretization
08:00
Adaptive FEM for the fractional Laplacian: a priori and a posteriori error estimates, efficient implementation and multigrid solver (abstract)
08:25
Designing Efficient p-Multigrid Strategies for the Poisson Equation (abstract)
08:50
p-multigrid based solvers for Isogeometric Analysis (abstract)
09:15
A Multilevel Approach for Trace System in HDG Discretizations (abstract)
09:40
Nonlinear multigrid solvers for finite volume discretization of subsurface flow (abstract)
10:05-10:25Coffee and Tea Break
10:25-12:30 Session 8A: Multilevel methods for stochatic problems
10:25
Advanced Multi-Level Sampling Methods for Large-Scale Bayesian Inverse Problems (abstract)
10:50
A hierarchical multilevel Markov chain Monte Carlo approach for large-scale Bayesian inference (abstract)
11:15
Multilevel Monte Carlo methods for statistical solutions of hyperbolic conservation laws (abstract)
11:40
An asymptotic preserving multilevel Monte Carlo method for particle based simulation of kinetic equations (abstract)
12:05
MG/OPT and multilevel Monte Carlo for robust PDE constrained optimization (abstract)
10:25-12:30 Session 8B: Multilevel methods
10:25
Rounding error analysis for mixed precision multigrid solvers (abstract)
10:50
Engineering multilevel support vector machines (abstract)
11:15
A blocked adaptive cross approximation algorithm and its hierarchical generalization (abstract)
11:40
Performance of the Scheduled Relaxation Jacobi method in a geometric multilevel setting (abstract)
12:05
Local Fourier Analysis and Robust Optimization (abstract)
12:30-16:00Lunch Break
16:00-16:30Coffee and Tea Break
16:30-18:35 Session 9A: Parallel algebraic multigrid software & performance
16:30
The Analysis of SA-AMG Method by Applying Hybrid MPI/OpenMP Parallelization on Cluster Supercomputer System (abstract)
16:55
Improving Scalability of Algebraic Multigrid by Compression and Divide and Conquer Matrix-Matrix Product (abstract)
17:20
Randomized Sparsification for Improving Performance and Scalability of Algebraic Multigrid (abstract)
17:45
Fast distributed triple-matrix multiplication on GPUs in AMG setup (abstract)
18:10
Multi-step Node-Aware Communication in Parallel AMG (abstract)
16:30-18:35 Session 9B: Applications (Part 1 of 2)
16:30
Application of Algebraic Multigrid Preconditoned Block Solvers in a Validation Study of Simulating Human Heart Function (abstract)
16:55
Multigrid for Bundle Adjustment (abstract)
17:20
Nitsche's Method for Abstract Variational Constrained Minimization, with Applications to Plates and Shells. (abstract)
17:45
Multigrid techniques for discontinuous Galerkin methods applied to Flow and Transport in Porous Media (abstract)
18:10
Multigrid Optimization for Large-Scale Ptychographic Phase Retrieval (abstract)
Wednesday, March 27th

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07:30-08:30Breakfast Buffet
08:00-10:05 Session 10A: Parallel time integration (Part 3 of 3)
08:00
Parallel-in-time methods for eddy current problems (abstract)
08:25
A Parallel-in-Time Multigrid Preconditioner for KKT System Arising in Full Space Optimization (abstract)
08:50
Time Parallelization for the Heat Equation Based on Diagonalization (abstract)
09:15
Towards a parareal coarse propagator for numerical weather prediction. (abstract)
09:40
Layer-Parallel Training of Deep Residual Neural Networks (abstract)
08:00-10:05 Session 10B: Applications (Part 2 of 2)
08:00
Preconditioning Li-Ion Battery Models with Algebraic Multigrid in FEniCS (abstract)
08:25
A fully coupled, scalable eigenvalue solver with a subspace coarsening AMG preconditioner for neutron transport equations (abstract)
08:50
A fast high order algorithm for multiple scattering from extremely large three dimensional configurations (abstract)
09:15
An implicit approach to phase field modeling of solidification for additively manufactured metals (abstract)
10:05-10:25Coffee and Tea Break
10:25-12:30 Session 11A: Structured and matrix-free methods
10:25
A Multigrid Method Tailored to Semi-structured Grids (abstract)
10:50
Matrix-free multigrid block-smoothers for higher-order DG discretisations (abstract)
11:15
Matrix-Free Multigrid on Hierarchical Hybrid Grids (abstract)
11:40
Structured grid approach to accelerate multigrid on NGP (abstract)
12:05
Automating Communication Aggregation in Robust Structured Multigrid (abstract)
10:25-12:30 Session 11B: Coupled physics problems (Part 2 of 2)
10:25
Monolithic Multigrid for a Mixed-Method B-Field Finite-Element Formulation for Incompressible, Resistive Magnetohydrodynamics (abstract)
10:50
p-Multigrid Block Reduction Preconditioning for an All-Speed High-Order Compressible Flow Solver (abstract)
11:15
High-Order Fully-Implicit Sharp-Interface Algorithm for Multi-fluid Contacts (abstract)
11:40
A scalable multigrid reduction framework for coupled multiphase poromechanics (abstract)
12:05
Multigrid solvers for semi-implicit hybridised DG methods in fluid dynamics (abstract)
12:30-16:00Lunch Break
16:00-16:30Coffee and Tea Break
16:30-17:45 Session 12: Student competition winners
16:30
Efficient operator-coarsening multigrid schemes for local discontinuous Galerkin methods (abstract)
16:55
Robust solvers for a stabilized discretization of the poroelastic equations (abstract)
17:20
Enhanced Multi-Index Monte Carlo by means of Multiple Semi-Coarsened Multigrid for Anisotropic Diffusion Problems (abstract)
Thursday, March 28th

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07:30-08:30Breakfast Buffet
08:00-10:05 Session 13: Multi-modeling and multi-scale
08:00
High-Order Low-Order Nonlinear Convergence Accelerator for the Rosenbluth-Fokker-Planck Collision Operator and Applications to Multiscale Problems in Inertial Confinement Fusion (ICF) (abstract)
08:25
A Fully Implicit Kinetic Electromagenetic Model for Magnetically Confined Fusion Plasma Simulations (abstract)
08:50
Moment-based multilevel preconditioning for an implicit, conservative, hybrid particle-kinetic-ion fluid-electron algorithm (abstract)
09:15
Application of Multigrid Preconditioning for Lagrangian Radiation-Hydrodynamics (abstract)
09:40
A Multiscale Finite Element Method with Locally Adaptive Bubble Function Enrichment (abstract)
10:05-10:25Coffee and Tea Break
10:25-12:30 Session 14: Multilevel methods and applications
10:25
Efficient solution of transient non-linear flow problems in the subsurface (abstract)
10:55
Adaptive, Parallel, Matrix-free Geometric Multigrid for Stokes Equations with Large Viscosity Contrast (abstract)
11:20
Multigrid for complex linear systems: complex damping parameters and inter-grid transfer operators (abstract)
11:45
Modelling Musical Instruments (abstract)
12:10
Multilevel (quasi-)Monte Carlo methods for a random elliptic eigenvalue problem (abstract)