Institute for
Numerical Simulation

Research Group
M. Griebel

Dipl.-Math. Bram Metsch

Address:	Institut für Numerische Simulation Wegelerstr. 6 53115 Bonn Germany
Office:	We4 0.006
Phone:	+49 228 733849
E-Mail:	metschins.uni-bonn.de
PGP:	Key data
PGP Key Id:	040333FE
Key fingerprint:	4C07 661F 243E 1663 C182 CCF8 517F 2FD6 0403 33FE

Research Projects

	Cluster of Excellence: Hausdorff Center for Mathematics Project Area J: High-dimensional problems and multi-scale methods
	High-Performance Parallel Computing
	Parallel Algebraic Multigrid Cooperation with Lawrence Livermore National Laboratory, Center for Applied Scientific Computing, Scalable Linear Solvers Project

Completed Research Projects

SFB 611: Singular phenomena and scaling in mathematical models Project C2: Adaptive and robust multigrid methods for space time discretizations

Awards

• Winner in the Student Paper Competition, Twelfth Copper Mountain Conference on Multigrid Methods, 2005

Publications

[1]	Michael Griebel, Bram Metsch, and Marc Alexander Schweitzer. Coarse Grid Classification: AMG on Parallel Computers. In Gernot Münster, Dietrich Wolf, and Manfred Kremer, editors, NIC Symposium 2008, volume 39 of NIC Series, pages 299-306, February 2008. Also available as SFB 611 preprint No. 368, Universität Bonn, 2008. [ bib | .pdf 1 ]
[2]	M. Griebel, B. Metsch, D. Oeltz, and M. A. Schweitzer. Coarse grid classification: A parallel coarsening scheme for algebraic multigrid methods. Numerical Linear Algebra with Applications, 13(2-3):193-214, 2006. Also available as SFB 611 preprint No. 225, Universität Bonn, 2005. [ bib | .ps.gz 1 | .pdf 1 | Abstract ]
[3]	M. Griebel, B. Metsch, and M. A. Schweitzer. Coarse grid classification-Part II: Automatic coarse grid agglomeration for parallel AMG. Preprint 271, Sonderforschungsbereich 611, Universität Bonn, 2006. [ bib | .ps.gz 1 | .pdf 1 | Abstract ]
[4]	B. Metsch. Ein paralleles graphenbasiertes algebraisches Mehrgitterverfahren. Diplomarbeit, Institut für Numerische Simulation, Universität Bonn, Bonn, Germany, 2004. [ bib | .ps.gz 1 | .pdf 1 ]

Talks

Conference contributions

[1]	Algebraic Multigrid (AMG) for Saddle Point Systems - A Self-Stabilizing Approach, European Multigrid Conference 2012, Schwetzingen, Germany, August 13-16, 2012.
[2]	Algebraic Multigrid (AMG) For Saddle Point Systems, European Multigrid Conference 2012, Schwetzingen, Germany, August 13-16, 2012.
[3]	Algebraic Multigrid for Saddle Point Systems, ESCO 2012 - European Seminar on Computing , Pilsen, Czech Republic, June 25-29, 2012.
[4]	Algebraic Multigrid (AMG) for Saddle Point Systems, 2012 SIAM Conference on Applied Linear Algebra, Valencia, Spain, June 18-22, 2012.
[5]	Algebraic Multigrid (AMG) for Saddle Point Systems - A self-stabilizing approach, TWELFTH COPPER MOUNTAIN CONFERENCE ON ITERATIVE METHODS, Copper Mountain, Colorado, USA, March 25-30, 2012.
[6]	Parallel Algebraic Multigrid for Saddle Point Problems , SIAM Conference on Parallel Processing for Scientific Computing , Savannah, Georgia, USA, February 15-17, 2012.
[7]	Towards AMG methods for Saddle Point Systems, EMG2010 - European Multi-Grid Conference EMG 2010, Isola d'Ischia, Italy, September 19-23, 2010.
[8]	Multilevel Coarse Grid Classification: A parallel coarsening strategy for large supercomputers, 14th Copper Mountain Conference on Multigrid methods, Colorado, USA, March 22-27, 2009.
[9]	Coarse Grid Classification: AMG on Parallel Computers, High Performance Scientific Computing Simulation, Modeling and Optimization of Complex Processes, Hanoi, Vietnam, March 2-6, 2009.
[10]	Coarse Grid Classification: AMG on Parallel Computers, GAMM2009 - 80th Annual Meeting of the International Association of Applied Mathematics and Mechanics, Gdansk, Poland, February 9-13, 2009.
[11]	Coarse Grid Classification: AMG on Parallel Computers, NIC-Symposium 2008, Jülich, Germany, February 20-22, 2008.
[12]	The CGC-ML coarsening scheme for parallel AMG (Poster presentation), ISC'07 - International Supercomputing Conference, Dresden, Germany, June 26-29, 2007.
[13]	Multilevel Coarse Grid Classification - A multilevel approach to parallel coarse grid selection for algebraic multigrid, 13th Copper Mountain Conference on Multigrid Methods, Copper Mountain, USA, March 18-23, 2007.
[14]	Coarse Grid Classification: A Parallel Coarsening Scheme for Algebraic Multigrid Methods, 8th European Multigrid Conference on Multigrid, Multilevel and Multiscale Methods, Scheveningen, Netherlands, September 27-30, 2005.
[15]	Coarse Grid Classification: A Parallel Coarsening Scheme for Algebraic Multigrid Methods, Twelfth Copper Mountain Conference on Multigrid Methods, Copper Mountain, Colorado, USA, April 3-8, 2005.

Other Talks

[1]	Wissenschaftliches Rechnen und Numerische Simulation (die aktuelle Rechnerentwicklung (Folie 4) kann von http://www.top500.org bezogen werden. ), Wissenschaftspropädeutischer Unterricht am Collegium Josephinum, Bonn, September 23, 2008.