Days: Saturday, March 21st Sunday, March 22nd Monday, March 23rd Tuesday, March 24th Wednesday, March 25th Thursday, March 26th
View this program: with abstractssession overviewtalk overview
Led by Van Henson and Geoff Sanders (LLNL).
Topics include: solvers and preconditioning for graph problems, matrix functions for graph analysis, spectral partitioning, eigenvector properties, impact of skewed degree distributions, ranking algorithms, Markov chains
Registration and Reception, Cash Bar and Light Buffet.
View this program: with abstractssession overviewtalk overview
08:00 | A Scalable Approximate Inverse Block Preconditioner for an Incompressible Magnetohydrodynamics Model Problem (abstract) |
08:25 | Block preconditoning strategy for reduced magnetohydrodynamic (RMHD) equations (abstract) |
08:50 | Scalable implicit, adaptive MFEM-based solvers for reduced resistive MHD (abstract) |
09:15 | An element-based preconditioner for mixed finite element problems (abstract) |
09:40 | Scalable Block Preconditioning of Implicit / IMEX FE Continuum Plasma Physics Models (abstract) |
08:00 | On the Convergence Rate of Variants of the Conjugate Gradient Algorithm in Finite Precision Arithmetic (abstract) |
08:25 | Sharp 2-norm Error Bounds for the Conjugate Gradient Method and LSQR (abstract) |
08:50 | Singular Systems along with Eigenvalues and Singular Values (abstract) |
09:15 | Delayed Re-Orthogonalization to Achieve One-Synch Classical Gram-Schmidt Applied to GMRES and Krylov-Schur Algorithms (abstract) |
09:40 | A single-pole rational Krylov subspace method for approximating Markov functions of matrices (abstract) |
08:00 | An Approximation Scheme For Distributionally Robust Nonlinear PDE-Constrained Optimization (abstract) |
08:25 | An ADMM-based time domain decomposition approach for PDE constrained optimization (abstract) |
08:50 | Algebraic Multigrid Preconditioning for PDE-constrained Optimization (abstract) |
09:15 | Fractional Optimal Control Problems with State Constraints: Algorithm and Analysis (abstract) |
10:25 | Preconditioning a Fully Implicit Gyrokinetic Electromagnetic Particle-in-Cell Method (abstract) |
10:50 | A coupled thermal radiative transfer and kinetic plasma solver (abstract) |
11:15 | A moment-accelerated iterative implicit solver for the multispecies 1D-2V Vlasov-Fokker-Planck – Ampère kinetic equation (abstract) |
11:40 | A solution strategy for fluid-structure interaction using the unified continuum formulation, quasi-direct coupling, and nested block preconditioning (abstract) |
12:05 | Simulating Multi-Species Compressible Flow with a Fully-Implicit All-Speed Flow Solver (abstract) |
10:25 | Band-Toeplitz preconditioners for nonsymmetric ill-conditioned Toeplitz systems (abstract) |
10:50 | Efficient low-order refined solvers for high-order matrix-free continuous and discontinuous Galerkin methods (abstract) |
11:15 | Robust and Efficient Multilevel-ILU Preconditioning of Newton-GMRES with Applications to Navier-Stokes Equations (abstract) |
11:40 | A new implicit Eulerian solver for semiconductor models (abstract) |
10:25 | Iterative Image Reconstruction and Segmentation Using Mesh Adaptation (abstract) |
10:50 | An Inner-Outer Iterative Method for Edge Preservation in Image Restoration and Reconstruction (abstract) |
11:15 | A Hybrid Approach for Image Reconstruction in Electrical Impedance Tomography (abstract) |
11:40 | CALIBRATING SENSING DRIFT IN TOMOGRAPHIC INVERSION (abstract) |
12:05 | A Multilevel Hyperbolic Neural Network for Image Segmentation. (abstract) |
16:30 | Monolithic Multigrid for a Stabilized Discretization of the Poroelastic Equations (abstract) |
16:55 | Robust Preconditioners for Mixed-dimensional Models of Flow in Fractured Porous Media (abstract) |
17:20 | A New Solver for Coupling Maxwell's Equations to Transmission Lines (abstract) |
17:45 | An iterative particle-in-cell scheme for the hybrid plasma model using physics-based preconditioning (abstract) |
18:10 | On the robust discretization and fast solver for the H(curl) and H(div) convection-diffusion problems (abstract) |
16:30 | Algebraic Multigrid for Highly Convective Flow Simulations (abstract) |
16:55 | Nonlinear and Linear Agglomeration Multigrid Methods for Reynolds-averaged Navier-Stokes Problems in Aerodynamics (abstract) |
17:20 | Incompressible Navier-Stokes with Two-Stage Gauss-Seidel Smoothers for FGMRES-AMG (abstract) |
17:45 | A parallel multigrid technique for nonsymmetric elliptic systems with application to variable-density flows (abstract) |
18:10 | Discretization of the Multi-fluid Plasma Model using IMEX and Mixed Continuous/Discontinuous FEM (abstract) |
16:30 | Initialization of the thermo-mechanical state of an ice sheet model using PDE-constrained optimization (abstract) |
16:55 | A scalable semi-implicit barotropic mode solver for the MPAS-Ocean (abstract) |
17:20 | Meshless Remap of Native Fields for Earth System Models via Generalized Moving Least Squares (abstract) |
17:45 | Interface Flux Recovery Coupling Method for the Ocean-Atmosphere System (abstract) |
18:10 | Overcoming Gibbs Phenomenon in Data Remap and Convection-Dominant PDEs using WLS-ENO Techniques (abstract) |
View this program: with abstractssession overviewtalk overview
08:00 | Future of Computing – How May Iterative Methods Exploit Future Technology Directions (abstract) |
08:25 | Asynchronous SGD for Training DNNs (abstract) |
08:50 | Towards Robust Training and Initialization of Deep Neural Networks: An Adaptive Basis Viewpoint (abstract) |
09:15 | Multilevel training of deep residual networks (abstract) |
09:40 | Layer-Parallel Training and Multilevel Initialization for Deep Residual Neural Networks (abstract) |
08:00 | WaveHoltz an Iterative Solver for the Helmholtz Equation via the Wave Equation. Part 1: Theoretical Aspects. (abstract) |
08:25 | WaveHoltz an Iterative Solver for the Helmholtz Equation via the Wave Equation. Part 2: Experiments, implementation and extensions. (abstract) |
08:50 | Scalable convergence using two-level deflation preconditioning for the Helmholtz equation (abstract) |
09:15 | A Fast Solver for the Fractional Helmholtz Equation (abstract) |
09:40 | A GenEO coarse space for solving the heterogeneous Helmholtz equation with domain decomposition methods (abstract) |
08:00 | Finding AMG aggregates in a haystack: from maximum product matching to scalable solvers (abstract) |
08:25 | Algebraicly generated line relaxation for algebraic multigrid domain decomposition (abstract) |
08:50 | Coarse Grid Selection using Simulated Annealing (abstract) |
09:15 | A Multigrid Reduction Framework for Flow in Porous and Fractured Media (abstract) |
09:40 | Developing Work-Optimal Multilevel Methods (abstract) |
10:25 | Improving linear solver performance using machine learning (abstract) |
10:50 | Multigrid Methods and Convolutional Neural Network (abstract) |
11:15 | Machine Learning in adaptive domain decomposition methods-- predicting the geometric location of constraints (abstract) |
11:40 | Optimizing parameters of iterative methods with stochastic optimization (abstract) |
12:05 | Generative adversarial networks and iterative methods (abstract) |
10:25 | High Performance Domain Decomposition Method for 3D Electromagnetic simulations (abstract) |
10:50 | Analysis of parallel Schwarz solvers for time-harmonic wave propagation problems (abstract) |
11:15 | A Finite-Element Framework for a Mimetic Finite-Difference Discretization of Maxwell's Equations (abstract) |
10:25 | An h-multigrid method for Hybrid High-Order discretizations (abstract) |
10:50 | Multigrid in H(div) on Axisymmetric Domains (abstract) |
11:15 | A two level method for isogeometric discretizations (abstract) |
11:40 | Deflated p-multigrid solvers for Isogeometric Analysis (abstract) |
12:05 | Nesterov Accelerated Multigrid Method (abstract) |
16:30 | Efficient Training of Neural Network Surrogate Methods with Variable Projection (abstract) |
16:55 | Multi-tasking deep learning models for predictions of total energy of solid solution alloys (abstract) |
17:20 | LeanConvNets: Low-cost Yet Effective Convolutional Neural Networks (abstract) |
17:45 | GMLS-Nets: a convolutional neural network architecture for unstructured point-cloud data (abstract) |
18:10 | Deep Learning Enriched with Fractional Operators (abstract) |
16:30 | Newton's Method in Mixed Precision (abstract) |
16:55 | Low-precision orthogonalization in eigensolvers (abstract) |
17:20 | Compressibility Constraints for Adaptive Rate ZFP Compression in Iterative Methods (abstract) |
17:45 | Progressive three-precision multigrid solvers (abstract) |
18:10 | Error Analysis of Mixed Precision Algorithms for Computing Matrix Interpolative Decompositions (abstract) |
16:30 | Primal-Dual Weak Galerkin Finite Element Methods for First-Order Transport Problems (abstract) |
16:55 | Additive Schwarz Preconditioners for a Localized Orthogonal Decomposition Method (abstract) |
17:20 | FROSch - A framework for parallel Schwarz preconditioners in Trilinos (abstract) |
17:45 | On appropriate coarse spaces for asynchronous Optimized Schwarz Method (abstract) |
View this program: with abstractssession overviewtalk overview
08:00 | An implicit approach to phase field modeling of solidification for metals and alloys (abstract) |
08:25 | Recurrent use of AL preconditioner for fluid equations on manifolds. (abstract) |
08:50 | Enhanced Relaxed Physical Factorization Preconditioner for Three-Field Poroelasticity (abstract) |
09:15 | Spectral-based fast solvers for finite volume discretizations of a conservative fractional diffusion problem (abstract) |
08:00 | Quantum Computing From a Linear Algebra Perspective (abstract) |
08:25 | Variational quantum algorithms running on quantum supreme chips (abstract) |
08:50 | Low-depth gradient measurements can improve convergence in variational hybrid quantum-classical algorithms (abstract) |
09:15 | Quantum linear system solver based on time-optimal adiabatic quantum computing and quantum approximate optimization algorithm (abstract) |
08:00 | Domain Decomposed Monte Carlo Transport on GPUs in Shift (abstract) |
08:25 | Scalable multilevel domain decomposition methods with SG coarse spaces for the multigroup neutron transport equations (abstract) |
08:50 | Multimaterial, three temperature radiation-hydrodynamics solver for ICF applications (abstract) |
09:15 | Iterative Methods for Thermal Radiation Transport with Multiple Preconditioners (abstract) |
09:40 | Data motion analysis for Implicit Monte Carlo on CPUs and GPUs (abstract) |
10:25 | Hybrid Iterative Refined Methods for Symmetric Eigenvalue Problems (abstract) |
10:50 | Low-Rank Stopping Criteria for Block Parallel SVD (abstract) |
11:15 | HiSVD: A Hybrid Incremental SVD Method for Streaming Large, Sparse Matrices (abstract) |
11:40 | Computing Generalized Matrix Functions with Singular Value Estimation (abstract) |
12:05 | Domain decomposition Rayleigh-Ritz approaches for symmetric generalized eigenvalue problems (abstract) |
10:25 | Quantum primitives and quantum linear algebra (abstract) |
10:50 | Eigenstate filtering with application to quantum linear systems (abstract) |
11:15 | Quantum state verification in linear algebra problems (abstract) |
11:40 | Quantum algorithm for linear systems and applications to plasma dynamics (abstract) |
10:25 | Matrix-free preconditioning for high-order finite elements (abstract) |
10:50 | Preconditioning for a Stabilized Mixed-Hybrid Formulation of Biot’s Poroelasticity Equations (abstract) |
11:15 | Peclet-robust preconditioners for singularly perturbed convection-diffusion equations (abstract) |
11:40 | Nonsymmetric block preconditioners and heterogeneous DSA, compatible with voids (abstract) |
12:05 | Multiscale preconditioning for coupled porous media flow and geomechanics on unstructured grids (abstract) |
16:30 | Preconditioners based on enhanced structured incomplete factorization (eSIF) for general SPD matrices (abstract) |
16:55 | Leveraging One-Sided Communication for Sparse Triangular Solvers (abstract) |
17:20 | Multicolor Block Gauss-Seidel using Kokkos (abstract) |
17:45 | SSAI: A symmetric sparse approximate inverse preconditioner for the conjugate gradient methods PCG and PCGLS (abstract) |
16:30 | Unitary Matrix Decompositions for Quantum Circuit Synthesis (abstract) |
16:55 | Quantum algorithm for simulating the wave equation (abstract) |
17:20 | High-precision quantum algorithms for partial differential equations (abstract) |
16:30 | An efficient solver for nonlinear Bayesian inverse problems (abstract) |
16:55 | Multilevel Monte Carlo with improved correlation for kinetic equations in the diffusive scaling (abstract) |
17:20 | A Discrete-time Cancer Immunotherapy Model under the Kolmogorov Equation View and the Reaction-Diffusion Model (abstract) |
17:45 | Exploiting Sparsity in the Estimation of Gaussian Mixture Models (abstract) |
18:10 | Deflation and preconditioning strategies for sequences of sampled stochastic elliptic equations (abstract) |
View this program: with abstractssession overviewtalk overview
08:00 | Analysis of the sensitivity of output wave height to input bottom friction and bathymetry in the coastal wave model STWAVE (abstract) |
08:25 | Sparse trigonometric interpolation with applications to computational chemistry (abstract) |
08:50 | Regularized Non-linear Least-Squares Unconstrained Minimization Method for High-order Finite-Element Implicit Shock-Fitting in Space-Time (abstract) |
09:15 | A Projected Newton-Krylov Method for Large-Scale Bound-Constrained Optimization Problems (abstract) |
09:40 | Energy Function Approach to the Time-Varying Optimal Gas Flow (abstract) |
08:00 | Krylov Methods for Low-Rank Regularization (abstract) |
08:25 | A Low-Rank Solver for the Unsteady Navier-Stokes Equations (abstract) |
08:50 | Low-rank plus sparse matrices: ill-posedness and guaranteed recovery (abstract) |
09:15 | A low-rank matrix equation method for solving PDE-constrained optimization problems (abstract) |
09:40 | Randomized Iterative Methods for Low Rank Matrix Approximation (abstract) |
08:00 | Algebraic Multigrid Methods for Large-Scale Electromagnetic Particle-in-Cell Simulations (abstract) |
08:25 | MueLu's SA-AMG implementation and performance on GPUs (abstract) |
08:50 | One-Reduce FGMRES-AMG with Two-Stage Gauss-Seidel Smoothers on GPU (abstract) |
09:15 | Recent Development of Multigrid Solvers in HYPRE on Modern Heterogeneous Computing Platforms (abstract) |
09:40 | Robust Structured Multigrid on GPUs: Leveraging legacy kernels in the Cedar Framework (abstract) |
10:25 | p-Multigrid with Partial Smoothing: An Efficient Preconditioner for Discontinuous Galerkin Discretizations with Modal Bases (abstract) |
10:50 | Non-overlapping block smoothers for the Stokes equations (abstract) |
11:15 | Expressing AMG Interpolation in Terms of Sparse Matrix-Matrix Multiplications (abstract) |
11:40 | Parallel-in-time simulation of biofluids (abstract) |
10:25 | Iterative Solution Methods for Nonnegative Matrix Factorizations (abstract) |
10:50 | A Multilevel Subgraph Preconditioner for Linear Equations in Graph Laplacians (abstract) |
11:15 | Parallel spectral partitioning on multiple GPUs (abstract) |
11:40 | Mixed-Precision Arithmetic for Graph Clustering and Graph Ranking (abstract) |
12:05 | Computing a posteriori error estimates for algebraic multigrid methods on graphs (abstract) |
10:25 | A Rational Approximation Method for Large-Scale Nonlinear Eigenvalue Problems (abstract) |
10:50 | Nonlinear Solvers for Two-species Neutrino-matter Equations in Core-Collapse Supernovae Simulations (abstract) |
11:15 | Optimal Asymptotic Convergence Rates for Nesterov and Anderson Acceleration with Application to Tensor Decomposition (abstract) |
11:40 | A new quasi-Newton method for a black-box system with a physics-based surrogate (abstract) |
16:30 | BiLQ: An Iterative Method for Nonsymmetric Linear Systems with a Quasi-Minimum Error Property (abstract) |
16:55 | Predict-and-recompute Conjugate Gradient Variants (abstract) |
17:20 | Optimizing MGRIT and Parareal coarse-grid operators for linear advection (abstract) |
View this program: with abstractssession overviewtalk overview
08:00 | Improving Hypre's semi-structured support (abstract) |
08:25 | xSDK: Toward a Community Software Development Kit (SDK) for High-Performance Computational Science (abstract) |
08:50 | Finite Element Tools for Performance Portability of Implicit and IMEX Simulations on Next Generation Architectures (abstract) |
09:15 | Hyper-Differential Sensitivity Analysis for Inverse Problems. (abstract) |
09:40 | INCISIVE DVF INVERSION VIA BI-RESIDUAL FEEDBACK (abstract) |
08:00 | Dynamic Non-Uniform Randomization in Asynchronous Linear Solvers (abstract) |
08:25 | Smoothing by asynchronous iterations and sparse approximate inverses for fluid dynamics on graphics processing units (abstract) |
08:50 | Redundancy as a Remedy for Delayed Communication in Asynchronous Solvers (abstract) |
10:25 | Block preconditioners for the the coupled Darcy-Stokes problem (abstract) |
10:50 | Block Preconditioning for Implicit Runge-Kutta Methods for Time-Dependent (abstract) |
11:15 | Unconstrained Energy Functional Methods for Massively Parallel Iterative Eigensolvers (abstract) |
11:40 | A System of Semilinear Singularly Perturbed Convection-Diffusion type (abstract) |
12:05 | Generation of compressed stationary fields with circulant embedding (abstract) |
10:25 | Condensed Nonconforming Reformulations for Preconditioning Finite Element Discretization Problems (abstract) |
10:50 | New mixed methods for incompressible hyperelasticiy in terms of Kirchhoff stress (abstract) |
11:15 | An Adaptive Newton Div-Curl Least-Squares Finite Element Method for the Cahn-Hilliard Equation (abstract) |
11:40 | Adaptive Space-Time CFOSLS for Evolution Equations (abstract) |