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)



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 to view the abstract.


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.

 

 


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

 

 

 

 


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

 

 


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

 

 


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

 

 

 

 


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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