April 2001
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Tenth Copper Mountain Conference
Multigrid Methods
APRIL 1-6, 2001

This program is preliminary and is subject to possible modification.
Times given here are only estimates and are likely to change.
We will try to limit schedule changes to within the given day.
Participants and speakers should monitor this page and the bulletin board at the conference.
Speakers should plan their talks to be at most 20 minutes.
Program Chairs will adhere strictly to this schedule.
Wednesday night's cash bar & banquet is in the Bighorn Room in the Copper Conference Center.
All other activities will be held in the Copper Conference Center.

Click the name to email the author.
Click to view the abstract.

Sunday, April 1

TUTORIALTutorial series on basic methods, more advanced techniques, and cache-based algorithms.
9:00am-noon William L. Briggs A Multigrid Tutorial, Part I
2:00pm-4:00pm Van Emden Henson A Multigrid Tutorial, Part II
4:30pm-6:00pm Craig Douglas and Ulrich Rüde Cache-Based Algorithms
RECEPTIONCash bar and light buffet.
7:00pm-9:00pm Copper Conference Center.

Monday, April 2

Chair: Tom Manteuffel
8:00am Travis Austin A Divergence-Free Relaxation Scheme in an H^1-Finite Element Space: Numerical Results and Theory
8:25am Barry Lee FOSLS for Neutron/Photon Transport at LLNL
8:50am Linda Stals The Parallel Solution of Radiation Transport Equations
9:15am Christoph Pfalum Discretization of Neutron Transport by FOSLS and Piecewise Constant Functions on the Sphere
Inverse Problems
Chair: Ulrich Rüde
10:00am Eldad Haber Multigrid All-At-Once Methods for Large Scale Inverse Problems
10:25am Hugh R. MacMillan First-order System Least-squares for Electrical Impedance Tomography
10:50am Ulrich Rüde Multilgrid Solution of Bioelelectric Field Problems
Applications 1
Chair: Van Henson
11:15am Avraham Kenigsberg A Multigrid Approach for Fast Geodesic Active Contours
11:40pm David Moulton An Augmented Systems Approach to Preconditioning Mimetic Discretizations
12:05pm Achi Brandt Multiscale Computation: Recent Methodological Developments
Applications 2
Chair: Van Henson
4:30pm C.W. Oosterlee On Multigrid Methods for Linear Complementarity Problems with Application to American-style Options
4:55pm Schorsch Schmidt FOSLL* for Stokes and Elasticity
5:20pm Marc Alexander Schweitzer A Multilevel Particle-Partition of Unity Method
5:45pm Eite Tiesinga Multigrid Modeling of Two Confined and Interacting Atoms.
6:10pm Jun Zhang Multigrid Method and High Order Compact Scheme for Solving Boundary Layer Problems on Nonuniform Grids
6:35pm Pavel Bochev Constrained transport remap algorithms on unstructured quadrilateral and hexahedral grids

Tuesday, April 3

Algebraic Methods 1
Chair: Jan Mandel
8:00am Marian Brezina An Extension of Convergence Theory for the Smoothed Aggregation Multigrid
8:25am Tim Chartier Spectral AMGe
8:50am Jane Cullum A Numerical Exploration of Algebraic Multigrid
9:15am Jonathan Hu Parallel Algebraic Aggregation for Maxwell's Equations
9:40am Frank Kiefer AMG-based Wavelet-like Multiscale Solvers for Convection-diffusion Problems
Algebraic Methods 2
Chair: John Ruge
10:25am Johannes Kraus Element-Free AMG Interpolation Based on Multilevel Extension Mappings
10:50am Domenico Lahaye A Multilevel Preconditioner for Field-Circuit Coupled Problems
11:15am Jan Mandel Approximation and Coupling Estimators for Algebraic Multigrid
11:40am Björn Medeke On Algebraic Multilevel Preconditioners for Disordered Systems
12:05pm Gene Poole Advancing Analysis Capabilities in ANSYS through Solver Tech
Algebraic Methods 3
Chair: Marian Brezina
4:30pm John Ruge AMG: An Overview
4:55pm Joachim Schoeberl Algebraic Multigrid for H(curl) and H(div)
5:20pm Ray Tuminaro A Parallel Multilevel Preconditioning Module for Unstructured Mesh Krylov Solvers
5:45pm Panayot S. Vassilevski Parallelizing AMGe Using Domain Decomposition
6:10pm Ulrike Meier Yang On the Use of Schwarz Smoothing in AMG
6:35pm Irad Yavneh An Algebraic Multigrid Approach for Shape from Photometric Stereo

Wednesday, April 4

Domain Decomposition
Chair: Ulrike Meier Yang
8:00am Richard B. Lehoucq Automated Multi-Level Substructuring:Theory
8:25am Moshe Israeli A Hierarchical Domain Decomposition Method for the Solution of the Helmholtz and Biharmonic Equations
8:50am Jayadeep Gopalakrishnan Multigrid and Schwarz Methods for Time-harmonic Maxwell Equations
9:15am K.C. Park Localized Construction of Non-Matching Interfaces That Pass A-Priori Patch Test
Funding Opportunities at the National Science Foundation
Catherine Mavriplis
As a program officer in Applied Mathematics and Computational Mathematics, the speaker will give an overview of avenues for requesting funding and discuss new directions in the mathematical sciences funding landscape.
NonLinear Methods
Chair: Jim Jones
10:25am Andrea Codd First-Order System Least Squares (FOSLS) for Elliptic Grid Generation (EGG)
10:50am Jim Jones Computational Issues in the Application of Nonlinear Multigrid to Nonlinear Diffusion Problems
11:15am Andrew Knyazev Eigensolvers with Multigrid Preconditioners
11:40pm Johannes Korsawe Nonlinear Convergence via Linear Multilevel Performance: Gauss-Newton-Multilevel
BANQUETCash bar and banquet.
6:30pm Bighorn Room in the Copper Conference Center.

Thursday, April 5

Computational Fluids
Chair: Irad Yavneh
8:00amMichael Bader A Robust and Parallel Multigrid Method for Convection Diffusion Equations
8:25am Boris Diskin Textbook Multigrid Efficiency for High-Reynolds-Number Navier-Stokes Equations
8:50am Victoria E. Howle Experiences with Parallel Block Preconditioning of the Linearized Incompressible Navier-Stokes Equations
9:15am Kent-Andre Mardal An Efficient Parallel Iterative Approach to the Time-dependent Stokes Problem
9:40am Dimitri Mavriplis Comparisons of Unstructured Multigrid as a Non-linear Solver, a Linear Solver, or a Pre-Conditioner
10:05am Sandra Nägele Multigrid Method Coupled with Large Eddy Simulation
10:30am Justin W.L. Wan Two Multigrid Time Stepping Schemes which Preserve Monotonicity and TVD
Ocean Models
Chair: Craig Douglas
11:15am Mohamed Iskandarani Overview of Ocean Modeling Using Spectral Elements
11:40am Craig Douglas Subgrid Substructuring Techniques for a Multilayered Ocean Model
12:05pm Gundolf Haase Simultaneous Iterations in Ocean Modeling
Chair: Joe Pasciak
4:30pm Susanne C. Brenner An Additive Theory for Multigrid V-Cycle Algorithms
4:55pm Scott Fulton On the Accuracy of Multigrid Truncation Error Estimates
5:20pm Chisup Kim A Two-level Preconditioner for an Anisotropic Mixed Finite Element Problem
5:45pm Joe Pasciak New Estimate for a Penalty Approach for Non-conforming Finite Elements
6:10pm Roman Wienands Local Fourier k-grid (k=1,2,3) Analysis for Navier-Stokes-type Systems
CIRCUS/WORKSHOPChair: Craig Douglas
7:30pm Everyone is welcome to talk and/or listen. The circus program will be determined at the start by polling the participants. Contact Craig for suggestions and information, or just show up and be ready to talk, interact, or just listen. For a workshop, please contact Craig beforehand.

Friday, April 6

Computational Strategies
Chair: Kirk Jordan
8:00am Mark Kremenetsky Considerations for Parallel CFD Enhancements on SGI ccNUMA and Cluster Architectures
8:25am Mark Adams Parallel Algorithms for Unstructured Gauss-Seidel Multigrid Smoothers
8:50am Paul Farrell Factors Involved in the Performance of Computations on Beowulf Clusters
9:15am Markus Kowarschik Enhancing the Cache Performance of Multigrid Codes on Structured Grids
Computational Strategies
Chair: Seymour Parter
10:00am Bobby Philip Elliptic Solvers with Adaptive Mesh Refinement and First-Order System Least-Squares (FOSLS) Methodologies
10:25am Malik Silva Cache Aware Data Layouts
10:50am Jari Toivanen Multilevel Preconditioners for Boundary Lagrange Multipliers
11:15am Gabriel WittumMultigrid Methods for Porous Media Flow Problems
11:40am Ben KirkCascadic Multigrid Simulation of Incompressible Viscous Flow Problems: Performance Analysis and Parallel Workstation and Cluster Implementation

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