Program
PDF version of program
| 8:00am -- ---- | Registration | ||
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| 8:30am -- 8:45am | Welcome remarks [Yousef Saad] | ||
| Invited Presentation - IP1 [Chair: Esmond Ng, Room: KH 3-180] | ||
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| 8:45am -- 9:30am | Martin J. Gander | (IP) Non-Linear Preconditioning Explained |
| Invited Presentation - IP2 [Chair: Andy Wathen, Room: KH 3-180] | ||
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| 9:30am -- 10:15am | Patrick E. Farrell | (IP) A Reynolds-robust preconditioner for the 3D stationary Navier--Stokes |
| 10:15am -- 10:45am Coffee Break |
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| # 1 | Contributed Presentations 1: Polynomial Preconditioners [Chair: Daniel Osei-Kuffuor] | ||
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| room KH 3-180 | 10:45am -- 11:15am | 11:15am -- 11:45am | 11:45am -- 12:15pm |
| Xin Ye | Ron Morgan | Jennifer Loe | |
| Complex Polynomial Preconditioners for Indefinite Systems | A New Stable Polynomial Preconditioned GMRES | Polynomial Preconditioning for Avoiding Communication in GMRES | |
| # 2 | Contributed Presentations 2: Preconditioners for Special Problems [Chair: Ruipeng Li] | ||
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| room KH 2-260 | 10:45am -- 11:15am | 11:15am -- 11:45am | 11:45am -- 12:15pm |
| Matthias Taus | Josef Sifuentes | Xin Xing | |
| L-Sweeps: A scalable parallel preconditioner for the high-frequency Helmholtz equation | An Approximate Deflation Preconditioning Method Based on Multiple Grids for Wave Scattering Problems | An HSS Preconditioner for Evolving Kernel Matrix Systems | |
| # 3 | Contributed Presentations 3: Preconditioners for Saddle Point Systems [Chair: Chen Greif] | ||
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| room KH 3-210 | 10:45am -- 11:15am | 11:15am -- 11:45am | 11:45am -- 12:15pm |
| Achraf Badahmane | Susanne Bradley | Chen Greif | |
| Preconditioned global Krylov subspace methods for solving saddle point systems with multiple right-hand sides | Preconditioners for Double Saddle Point Systems | Block Preconditioners for Incompressible Magnetohydrodynamics | |
| 12:15pm--1:45pm Lunch Break |
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| Invited Presentation - IP3 [Chair: --, Room: KH 3-180] | ||
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| 1:45pm -- 2:30pm | Carmen Rodrigo | (IP) Robust Preconditioners for Biot's Consolidation Model |
| 2:30 -- 3:00pm Coffee Break |
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| # 1 | Minisymposium 1: Preconditioning of PDEs for next-generation computers [Chair: Massimiliano Ferronato] | ||||
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| room KH 3-180 | 3:00pm -- 3:30pm | 3:30pm -- 4:00pm | 4:00pm -- 4:30pm | 4:30pm -- 5:00pm | |
| Andy Wathen | Edmond Chow | Carlo Janna | Daniel Osei-Kuffuor | ||
| Parallel preconditioning for time-dependent PDEs | Preconditioned Krylov Subspace Methods for Sampling Multivariate Gaussian Distributions | An adaptive AMG preconditioner for modern High Performance Computers | Algebraic Multigrid Preconditioners for Scalable Simulation of Reservoir Geomechanics and Multiphase Flow | ||
| # 2 | Minisymposium 2: Preconditioning for Machine Learning and Machine Learning for Preconditioning [Chair: Jie Chen] | ||||
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| room KH 2-260 | 3:00pm -- 3:30pm | 3:30pm -- 4:00pm | 4:00pm -- 4:30pm | 4:30pm -- 5:00pm | |
| Jie Chen | Shashanka Ubaru | Lucas Erlandson | Boris Shustin | ||
| Preconditioner Selection for General Linear Systems by Using Neural Networks | Spectrum approximation by Lanczos Quadrature and Preconditioned SVRG | Preconditioning for Fast Solves in Gaussian Processes Accelerated by Hierarchical Matrices | Randomized Riemannian Preconditioning for Quadratically Constrained Problems | ||
| # 3 | Contributed Presentations 4: Low-rank Approximation preconditioners [Chair: Ray Tuminaro] | ||||
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| room KH 3-210 | 3:00pm -- 3:30pm | 3:30pm -- 4:00pm | 4:00pm -- 4:30pm | 4:30pm -- 5:00pm | |
| Erik G. Boman | Jakub Kruzik | Tianshi Xu | Xiao-Chuan Cai | ||
| SpaND: An Algebraic Sparsified Nested Dissection Algorithm Using Low-Rank Approximations | High-performance Deflated Conjugate Gradient Method | GeMSLR: A Multilevel Low-Rank Preconditioning and Solution Package | ☞ Nonlinear Preconditioning and Applications | ||
| 5:30pm -- 7:00pm Reception West Wing Dining room in the Campus club: Directions |
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| Invited Presentation - IP4 [Chair: Wil Schilders, Room: KH 3-180] | ||
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| 8:30am -- 9:15am | Lexing Ying | (IP) Preconditioning high frequency wave equations |
| Invited Presentation - IP5 [Chair: Yousef Saad, Room: KH 3-180] | ||
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| 9:15am -- 10:00am | Miroslav Tuma | (IP) Solving sparse-dense linear least-squares problems |
| 10:00 -- 10:30am Coffee Break and 📷 Conference Photo |
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| # 1 | Minisymposium 3: Preconditioners for Saddle Point Problems [Chair: Wil Schilders] | ||||
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| room KH 3-180 | 10:30am -- 11:00am | 11:00am -- 11:30am | 11:30am -- 12:00pm | 12:00pm -- 12:30pm | |
| Xin He | Lawrence Mitchell | Hana Hornikova | Jos Maubach | ||
| Efficient and robust preconditioners for high Reynolds number laminar flows | Flexible computational abstractions for complex preconditioners | Application of Block Preconditioners to Isogeometric Analysis Discretizations of the Incompressible Navier-Stokes Equations | The LDLT factorization and new extensions for saddle point system preconditioning | ||
| # 2 | Minisymposium 4: Preconditioners for Model Order Reduction [Chair: Kapil Ahuja] | ||||
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| room KH 2-260 | 10:30am -- 11:00am | 11:00am -- 11:30am | 11:30am -- 12:00pm | 12:00pm -- 12:30pm | |
| Kapil Ahuja | Navneet P. Singh | Eric de Sturler | Heidi Thornquist | ||
| Preconditioned Linear Solves for Parametric Model Order Reduction | Preconditioner Updates in Adaptive Iterative Rational Global Arnoldi Algorithm | Updating Preconditioners using Krylov Subspace Information | The Art of Preconditioners for Circuit Simulation | ||
| # 3 | Minisymposium 5: Structured preconditioning (Session 1) [Chair: Yuanzhe Xi] | ||||
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| room KH 3-210 | 10:30am -- 11:00am | 11:00am -- 11:30am | 11:30am -- 12:00pm | 12:00pm -- 12:30pm | |
| Geoffrey Dillon | Yuanzhe Xi | Kees Vuik | Mikhail Lepilov | ||
| Preconditioners for a Fractional Differential Equation on a Composite Mesh | Fast Contour Integral Preconditioner for Solving 3D High-frequency Helmholtz Equations | Scalable Solvers using Two-Level Deflation for the Helmholtz Equation | Hierarchical SIF preconditioners for sparse SPD matrices | ||
| 12:30pm--2:00pm Lunch Break |
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| Invited Presentation - IP6 [Chair: Edmond Chow, Room: KH 3-180] | ||
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| 2:00pm -- 2:45pm | Xiaoye Li | (IP) A factorization based framework for building scalable algebraic preconditioners |
| 2:45 -- 3:15pm Coffee Break |
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| # 1 | Minisymposium 6: Recent Advances in Multigrid Methods and Their Applications (Session 1) [Chair: Xiaozhe Hu] | ||||
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| room KH 3-180 | 3:15pm -- 3:45pm | 3:45pm -- 4:15pm | 4:15pm -- 4:45pm | 4:45pm -- 5:15pm | |
| Ruipeng Li | Yunhui He | Salvatore Filippone | Xiaozhe Hu | ||
| Recent Development of Multigrid Solvers in HYPRE on Modern Heterogeneous Computing Platforms | A Local Fourier Analysis for Additive Vanka Relaxation | Efficient algebraic multigrid for scalable scientific simulation | Robust preconditioners for mixed-dimensional models of flow in fractured porous media | ||
| # 2 | Contributed Presentations 5: Preconditioners for special problems [Chair: Jianlin Xia] | ||||
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| room KH 2-260 | 3:15pm -- 3:45pm | 3:45pm -- 4:15pm | 4:15pm -- 4:45pm | ||
| Matthias Bollhofer | Sean Hon | Katarzyna Swirydowicz | |||
| Large-Scale Sparse Inverse Covariance Matrix Estimation and Its Applications | Band-Toeplitz preconditioners for ill-conditioned Toeplitz systems | Low-synch Gram-Schmidt projection schemes applied to GMRES-AMG moving mesh solvers | |||
| # 3 | Minisymposium 7: Preconditioners for Fluid Problems (Session 1) [Chair: Thomas Roy] | ||||
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| room KH 3-210 | 3:15pm -- 3:45pm | 3:45pm -- 4:15pm | 4:15pm -- 4:45pm | 4:45pm -- 5:15pm | |
| Massimiliano Ferronato | Scott MacLachlan | Robert C. Kirby | Patrick E. Farrell | ||
| A class of block preconditioners for the solution of fluid flow problems in deformable porous media | Boundary-layer preconditioners for singularly perturbed convection-diffusion equations | Preconditioners for Fluid Problems: Software infrastructure for coupled fluids preconditions | Augmented Lagrangian preconditioners for nematic liquid crystals | ||
| 7:00pm -- 9:00pm Conference Banquet Pinnacle Ballroom At The Graduate Hotel Directions |
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| # 1 | Contributed Presentations 6: Convergence Theory [Chair: Yuanzhe Xi] | |||
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| room KH 3-180 | 8:30am -- 9:00am | 9:00am -- 9:30am | ||
| Massimiliano Lupo Pasini | Thai Anh Nhan | |||
| Convergence analysis of Anderson-type acceleration of Richardson's iteration | Preconditioning-based techniques for the convergence analysis of singularly perturbed convection-diffusion problems | |||
| # 2 | Contributed Presentations 7: MISC [Chair: Eric De Sturler] | |
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| room KH 2-260 | 8:30am -- 9:00am | 9:00am -- 9:30am |
| Vasileios Kalantzis | Yunkai Zhou | |
| ☞ Preconditioning sparse SPD linear systems with multiple right-hand sides by recycling and reverse Galerkin projections | Shift-without-invert and Shift-invert Techniques in Spectrum-partition for Accelerating Eigenvalue Calculations | |
| # 3 | Contributed Presentations 8: MISC [Chair: Jie Chen] | |||
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| room KH 3-210 | 8:30am -- 9:00am | 9:00am -- 9:30am | ||
| Daniel Bielich | Stefano Cipolla | |||
| Revisiting Householder orthogonalization | Low complexity matrix projections preserving actions on vectors | |||
| 9:30 -- 9:45am Coffee Break |
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| Invited Presentation - IP7 [Chair: Kees Vuik, Room: KH 3-180] | ||
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| 9:45am -- 10:30am | Vicki Howle | (IP) Block Preconditioning for Implicit Runge-Kutta Methods for Time-Dependent PDE Problems |
| # 1 | Minisymposium 5: Structured preconditioning (Session 2) [Chair: Yuanzhe Xi] | ||||
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| room KH 3-180 | 10:30am -- 11:00am | 11:00am --11:30pm | 11:30pm -- 12:00pm | 12:00pm -- 12:30pm | |
| Chao Chen | Jie Chen | Jianlin Xia | James Nagy | ||
| A Robust Hierarchical Solver for Ill-conditioned Systems with Applications to Ice Sheet Modeling | Linear-Cost Covariance Functions for Gaussian Random Fields | Effective eSIF Preconditioners with Guaranteed Positive Definiteness for General SPD Matrices | Preconditioning of flexible Krylov methods for low rank image reconstruction | ||
| # 2 | Minisymposium 6: Recent Advances in Multigrid Methods and Their Applications (Session 2) [Chair: Xiaozhe Hu] | ||||
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| room KH 2-260 | 10:30am -- 11:00am | 11:00am --11:30pm | 11:30pm -- 12:00pm | 12:00pm -- 12:30pm | |
| Irad Yavneh | Ray Tuminaro | Peter Ohm | Ludmil Zikatanov | ||
| Accelerating Multigrid via Sequential Subspace Optimization (SESOP) | Algebraic Multigrid for Hypersonic Simulations | Monolithic multigrid for a stabilized discretizations of the poroelastic equations | An auxiliary space preconditioner for mixed finite element discretizations of elliptic equations | ||
| # 3 | Minisymposium 7: Preconditioners for Fluid Problems (Session 2) [Chair: Patrick Farrell] | ||||
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| room KH 3-210 | 10:30am -- 11:00am | 11:00am --11:30pm | 11:30pm -- 12:00pm | 12:00pm -- 12:30pm | |
| John N. Shadid | Johann Rudi | Martin Stoll | Thomas Roy | ||
| Scalable Block Preconditioning Methods for Solution of Implicit / IMEX Finite Element Continuum Plasma Physics Models | An Optimization-Based Perturbed Newton Method for Viscoplastic Fluids with von Mises Yielding | Low-rank solvers and preconditioning for unsteady an Stokes-Brinkman optimal control problem with random data | Two-stage preconditioners for non-isothermal flow in porous media | ||
