March 2007
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Thirteenth Copper Mountain Conference
on
Multigrid Methods
March 18-March 23, 2007
2007 PROGRAM (Student Paper Competition in Italics)

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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.

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Speakers should plan their talks to be at most 20 minutes.
Program Chairs will adhere strictly to this schedule.

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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.

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Click to view the abstract.

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Sunday, March 18
Continental Breakfast 8:00am and Registration all day
TUTORIAL	Tutorial series on basic methods, more advanced techniques, and cache-based algorithms.
8:30am-11:30am	Van Henson A Multigrid Tutorial, Part I
1:30pm-4:00pm	Van Henson A Multigrid Tutorial, Part II
4:00pm-5:00pm	Craig Douglas Cache Aware Methods and General HPC Acceleration Tricks Jim Jones A Parallel Tutorial
5:00pm-6:00pm
RECEPTION	Cash bar and appetizer buffet.
7:00pm-9:00pm	Copper Conference Center.

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Monday, March 19
SESSION 1 Domain Decompositions	Chair:Timothy Chartier
8:00am	Andrew Barker: Parallel Additive Schwarz Methods for Elastic Wave Equations
8:25am	Brendan Sheehan: A Subspace Correction Method for Isotropic Neutron Transport
8:50am	Serguei Ovtchinnik: A Comparison of Some Two-level Schwarz Preconditioners for Magnetohydrodynamic Problems
9:15am	Si Liu: Multilevel Domain Decomposition Algorithms for Inverse Elliptic Problems
9:40am	Chao Jin: Domain Decomposition Methods for Elliptic Equations with Multiple Stochastic Coefficients
10:05am	COFFEE AND TEA BREAK
SESSION 2 MG Applications	Chair:Scott MacLachlan
10:25am	Irene Liveshits: AMG Method for the Eigenvalue Schrodinger Problem
10:50am	Harald Koestler: Structured Multigrid for Arbitrary Meshsizes with Application to ab inito Moleculardynamic Simulations and Image Processing
11:15am	James Brannick: Complex Arithmetic Multigrid Methods for Random Matrices Encountered in Lattice Gauge Theories
11:40	LUNCH BREAK
3:45pm	COFFEE AND TEA SERVICE
SESSION 3 Applications	Chair:Ulrike Meyer Yang
4:30pm	Howard Elman: Multigrid for Stochastic PDEs
4:55pm	Kai Ruhnau: A Multigrid Method for the Computation of the Optical Flow Using a Curvature Based Regularizer
5:20pm	Markus Stuermer:A Fast Full Multigrid Solver for Applications in Image Processing
5:45pm	Luke Owens: Multigrid for a Weakly Over-penalized Interior Penalty Method
MULTIGRID CIRCUS	Chair Craig Douglas
7:30pm	Craig Douglas

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Tuesday, March 20
SESSION 4 Multilevel & Discretization I	Chair:Panayot Vassilevski
8:00am	Veselin Dobrev:Preconditioning of Discontinuous Galerkin Discretications of Second Order Elliptic Problems
8:25am	Jing Li: On a Type of Balancing Domain Decomposition Methods for Solving Interior Helmholtz Equations
8:50am	Bobby Philip: Multilevel Preconditioners and Adaptive Mesh Refinement for Non-Equillibrium Radiation Diffusion
9:15am	Yunrong Zhu: Convergence Analysis of Adaptive Finite Volume Methods
9:40am	Jinchao Xu: Multigrid Analysis of H1, H(curl) and H(div) Systems for Locally Adapted Grids
10:05am	COFFEE AND TEA BREAK
SESSION 5 Adaptive AMG	Chair:Jonathan Hu
10:25am	Tim Chartier: Preconditioning with Adaptive Multigrid via Subcycling on Complementary Grids
10:50am	Hans deSterck: Markov Chains and Web Ranking: a Multilevel Adaptive Aggregation Method
11:15am	Josh Nolting: FOSLS/AMG Local Adaptive Refinement
11:40am	LUNCH BREAK
3:30pm	COFFEE AND LIGHT SNACK SERVICE
SESSION 6 Parallel Methods	Chair:Ray Tuminaro
4:30pm	Marian Brezina: Handling of Anisotrophies in Smoothed Aggregation Code parSAMIS
4:55pm	Ulrike Yang: Long Range Interpolation for Parallel Algebraic Multigrid
5:20pm	Ulrich Ruede: Massively Parallel Multgrid for Finite Elements
5:45 pm	Jonathan Hu: High Performance Parallel Multigrid
6:10 pm	Craig Douglas: Parallel, Multilevel Algorithms and Implementations for Optimal Control of Linear and Nonlinear Problems

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Wednesday, March 21
SESSION 7 Coarsening	Chair:Rob Falgout
8:00am	Bram Metsch: Multilevel Coarse Grid Classification-A Multilevel Approach
8:25am	Joel Dendy: Black Box Multigrid with Coarsening by a Factor of Three
8:50am	Roman Wienands: ACA-Automatic Coarse Grid Approximation
9:15am	Irad Yavneh: ACA 2-Automatic Coarse Grid Approximation and Restriction Derivation
9:40am	Panayot Vassilevski: Exact de Rham Sequences of Finite Element Spaces on Agglomerated Elements
10:05am	COFFEE AND TEA BREAK
SESSION 8 AMG	Chair:Ulrich Ruede
10:25am	Nathan Bell: Algebraic Multigrid for Discrete Laplacians
10:50am	Geoffrey Sanders: Using a Generalized Eigensolver Base on Smoothed Aggregation (GES-SA) to Initialize Smoothed Aggregation Multigrid
11:15am	Pablo Navarrete Michelini: A Semi-algebraic Approach to Study the Effect of Inter-grid Operators on Multigrid Convergence
11:40am	Matthias Bolten: Structured Grid AMG with Stencil-collapsing for d-level Circulant Matrices
12:05pm	LUNCH BREAK
12:30pm
3:45pm	Coffee and Tea Service
SESSION 9 Student Paper Winners	Chair:Irad Yanveh
4:30pm	Hengguang Li: Uniform Convergence of the Multigrid V-Cycle on Graded Meshes
4:55pm	Christian Mense: On Algebraic Two-level Methods for Nonsymmetric Systems
5:20pm	Hisham Zubair: On Multigrid for High-Dimensional Anisotropic Partial Differential Equations
BANQUET	Cash Bar and Dinner
6:15pm	Bighorn Room in the Copper Conference Center

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Thursday, March 22
SESSION 10 AMG Applications I	Chair:David Moulton
8:00am	Aleksandar Jemcov: Stabilization of Agglomerative Algebraic Multigrid Solver by Recursive Projection Method
8:25am	Anssi Pennanen: An Application of Graph-based Algebraic Multgrid Method
8:50am	Eveline Rosseel: Algebraic Multigrid for Stationary and Time-Dependent PDEs with Stochastic Coefficients
9:15am	Ray Tuminaro: Algebraic Multigrid and Algebraic Reformulations of the Eddy Current Equation Part I
9:40am	Chris Siefert: Algebraic Multigrid and Algebraic Reformulations of the Eddy Current Equation Part II
10:05am	COFFEE AND TEA BREAK
SESSION 11 AMG Applications II	Chair:Bobby Phillip
10:25am	Stefan Vandewalle: An Algebraic Multigrid Method for Time-discretizations of the DIV-GRAD and Curlcurl Equation
10:50am	Scott MacLachlan: Algebraic Multigrid Methods for Complex-Valued Systems
11:15am	Florian Schmid: Investigation of Enhancements in Incremental Forming Simulations Using Algebraic Multigrid and Schur Complement Methods
11:40am	LUNCH BREAK
12:05pm
3:45pm	COFFEE SERVICE
SESSION 12 Multilevel Discretizations II	Chair:Kirk Jordan
4:30pm	David Moulton: Revisiting Augmented Flux-Space Preconditioning of Mimetic Discretizations
4:55pm	Lei Tang: An Efficient HP Refinement Strategy for Singular Solutions in 1-D
5:20pm	Yogi Erlangga: Multilevel Projection-based Krylov Subspace Iteration
5:45pm	Robert Scheichl: Robust Coarsening for Multiscale PDEs
6:10pm	Eric Carlson: Third Order Accuracy of the 4-Point Hexagonal

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Friday, March 23
SESSION 13 Computer Science & Applications	Chair:Van Henson
8:00am	Ben Bergen: First Steps Towards Unstructured Grid Representation on the IBM Cell Broadband Engine Architecture
8:25am	David Alber: Bucket Sorted Independent Sets
8:50am	Kirk Jordan: The Big and the Small: Parallel Computing is Becoming Pervasive, are we Ready?
9:15am	Jan Van Lent: Energy Minimizing coarse Spaces for Domian Decomposition Methods
9:40am	Sangdong Kim: FOSLS Application to Optimal Control Problem by Stokes Equations
10:05am	END OF CONFERENCE

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