Vorträge
2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2003 | 2002 | 2000 | 1999 | 1998 | 1997 | 1996
2016
16th GAMM Workshop Applied and Numerical Linear Algebra
Hamburg University of Technology, Hamburg (local organizer), November 15-16, 2016
Flugzeuge und Matrizen
Talk with Dr. Joseph Gross, Hamburg University of Technology, Hamburg, May 25, 2016
2015
Die Matrix hat Dich...
Folge dem weißen Kaninchen. Public presentation at the "Nacht des Wissens", Hamburg University of Technology, November 7, 2015
Folge dem weißen Kaninchen. Public presentation at the "Nacht des Wissens", Hamburg University of Technology, November 7, 2015
2014
Sonneveld Methods: Lost Relatives (invited speaker)
Snapshots of Numerical Analysis, 3.10.2014 - A Conference Celebrating Martin Gutknecht's 70th Birthday Lausanne, Switzerland, October 3rd, 2014
Snapshots of Numerical Analysis, 3.10.2014 - A Conference Celebrating Martin Gutknecht's 70th Birthday Lausanne, Switzerland, October 3rd, 2014
Augmented Analysis of Lanczos Tridiagonalization
Joint ALAMA-GAMM/ANLA Meeting 2014 Barcelona, Spain, July 14-16, 2014
Joint ALAMA-GAMM/ANLA Meeting 2014 Barcelona, Spain, July 14-16, 2014
On Structured Pencils arising in Sonneveld Methods
10th International Workshop on Accurate Solution of Eigenvalue Problems Dubrovnik, Croatia, June 2-5, 2014
10th International Workshop on Accurate Solution of Eigenvalue Problems Dubrovnik, Croatia, June 2-5, 2014
2013
Eigenvector Computations based on IDR
GAMM Workshop on Applied and Numerical Linear Algebra Wuppertal, Germany, September 9-10, 2013
GAMM Workshop on Applied and Numerical Linear Algebra Wuppertal, Germany, September 9-10, 2013
2012
Applied Krylov subspace methods
Kickoff meeting of the Institute of Mathematics, TUHH July 17-18, 2012
Kickoff meeting of the Institute of Mathematics, TUHH July 17-18, 2012
2011
IDR versus other Krylov subspace solvers
RIMS workshop "The latest developments in theory and application on scientific computation" at the Research Institute for Mathematical Sciences, Kyoto University, October 25-27, 2011, Kyoto, Japan
RIMS workshop "The latest developments in theory and application on scientific computation" at the Research Institute for Mathematical Sciences, Kyoto University, October 25-27, 2011, Kyoto, Japan
Tuning IDR to fit your applications
Int. Workshop on application of iterative methods to engineering and its mathematical element at Doshisha University, October 23-24, 2011, Kyoto, Japan
Int. Workshop on application of iterative methods to engineering and its mathematical element at Doshisha University, October 23-24, 2011, Kyoto, Japan
IDR: A new generation of Krylov subspace methods?
ILAS 2011, the 17th ILAS Conference "Pure and Applied Linear Algebra: The new Generation" TU Braunschweig, August 22 to August 26, 2011
ILAS 2011, the 17th ILAS Conference "Pure and Applied Linear Algebra: The new Generation" TU Braunschweig, August 22 to August 26, 2011
A quick and dirty introduction to IDR
Visiting Ivo Panayotov at the Mathematical Institute of the University of Oxford (Talk at the Computational Mathematics and Applications Seminar, May 26th) and Melina Freitag at the Department of Mathematical Sciences of the University of Bath (Talk at the Bath Numerical Analysis Seminar, May 27th)
2010
Collatz-Woche, Festveranstaltung der Universität Hamburg zum 100. Geburtstag von Lothar Collatz
4. Oktober - 8. Oktober 2010, Hamburg, Germany
Relations between Rayleigh Quotient Iteration and the Opitz-Larkin Method
IWASEP 8, 8th International Workshop on Accurate Solution of Eigenvalue Problems June 28 - July 1, 2010, Berlin, Germany
IWASEP 8, 8th International Workshop on Accurate Solution of Eigenvalue Problems June 28 - July 1, 2010, Berlin, Germany
Relations between Rayleigh Quotient Iteration and Classical Root Finding Algorithms
Visiting Gerard Sleijpen at Universiteit Utrecht, March 1-6, 2010 / Talk at the Universiteit Utrecht, 11:00-12:00, March 3rd, 2010
IDR(s) and IDR(s)Eig in Parallel Computing
and
On the behavior of IDR(s) algorithms in finite precision Visiting Prof. Seiji Fujino at Kyushu University in Japan, February 8-14, 2010 / Talk at Kyushu University in the frame of the 249th Numerical Analysis Seminar (Q-NA), February 9th, 2010 (handout), and talk at the University of Tokyo in the frame of the 6th ASE (the association of Advanced Supercomputing Environment) Seminar, February 12th, 2010
and
On the behavior of IDR(s) algorithms in finite precision Visiting Prof. Seiji Fujino at Kyushu University in Japan, February 8-14, 2010 / Talk at Kyushu University in the frame of the 249th Numerical Analysis Seminar (Q-NA), February 9th, 2010 (handout), and talk at the University of Tokyo in the frame of the 6th ASE (the association of Advanced Supercomputing Environment) Seminar, February 12th, 2010
2009
On the genealogy of the IDR family
Visiting TU Bergakademie Freiberg between December 16th and 20th / Talk at the Seminar Numerik, 17th of December, 2009, 16:30, Freiberg, Germany
Eigenvalue Perspectives of the IDR Family
SIAM Conference on Applied Linear Algebra October 26-29, 2009, Monterey Bay-Seaside, California, USA
SIAM Conference on Applied Linear Algebra October 26-29, 2009, Monterey Bay-Seaside, California, USA
Towards a deeper understanding of Chris Paige's error analysis of the finite precision Lanczos process
Visiting Prague between September 21st and September 25th / Talk at ICS of CAS, 24.09.2009
Visiting ETH Zurich between September 14th and September 16th
Lectures on Numerical Linear Algebra in Computational Science and Engineering
September 12th, 2009, ETH Zurich, Switzerland
IDR(s)ORes and eigenvalue computations
9th GAMM Workshop Applied and Numerical Linear Algebra with special emphasis on Preconditioning September 10-11, 2009, ETH Zurich, Switzerland
9th GAMM Workshop Applied and Numerical Linear Algebra with special emphasis on Preconditioning September 10-11, 2009, ETH Zurich, Switzerland
IDR(s): Finite precision aspects
Special afternoon session after the DCSE symposium on IDR and block Lanczos lvers for large nonsymmetric systems June 3, 2009, TU Delft, Netherlands
Special afternoon session after the DCSE symposium on IDR and block Lanczos lvers for large nonsymmetric systems June 3, 2009, TU Delft, Netherlands
2008
8th GAMM Workshop Applied and Numerical Lineare Algebra with special emphasis on Regularization of Ill-posed Problems
September 11-12, 2008, Technische Universität Hamburg-Harburg (local organizer)
Quasi-Minimal Residual Eigenpairs
IWASEP 7, 7th International Workshop on Accurate Solution of Eigenvalue Problems June 9-12, 2008, Dubrovnik, Croatia
IWASEP 7, 7th International Workshop on Accurate Solution of Eigenvalue Problems June 9-12, 2008, Dubrovnik, Croatia
Quasi-Minimal-Residual Eigenpairs
GAMM Annual Meeting 2008, Section 17: Applied and numerical linear algebra March 31 - April 4, 2008, Universität Bremen
GAMM Annual Meeting 2008, Section 17: Applied and numerical linear algebra March 31 - April 4, 2008, Universität Bremen
2007
Eigenpair Extraction Using Krylov Subspaces
Harrachov 2007, Computational Methods with Applications August 19 - 25, 2007, Harrachov, Czech Republic
Harrachov 2007, Computational Methods with Applications August 19 - 25, 2007, Harrachov, Czech Republic
2006
Abstract Perturbed Krylov Methods
GAMM Annual Meeting 2006, Section 17: Applied and numerical linear algebra March 27 - 31, 2006, Technische Universität Berlin
GAMM Annual Meeting 2006, Section 17: Applied and numerical linear algebra March 27 - 31, 2006, Technische Universität Berlin
2005
Abstract Perturbed Krylov Methods: Just another point of view?
Visiting Prague between March 5th and March 12th / Talk at ICS ofAS, 08.03.2005
2004
Hessenberg Eigenvalue-Eigenmatrix Relations
25. Norddeutsches Kolloquium über Angewandte Analysis und Numerische Mathematik Universität Hamburg, 14. - 15. Mai 2004
25. Norddeutsches Kolloquium über Angewandte Analysis und Numerische Mathematik Universität Hamburg, 14. - 15. Mai 2004
Schemes for multidimensional wave structures in hyperbolic systems
March 1 - 4, 2004, TUHH (local organizer)
2003
Krylov Subspace Methods: Characteristic Properties Inherited in Finite Precision
Theoretical and Computational Aspects of Matrix Algorithms Dagstuhl Seminar No. 03421, October 12-17, 2003, Dagstuhl
Theoretical and Computational Aspects of Matrix Algorithms Dagstuhl Seminar No. 03421, October 12-17, 2003, Dagstuhl
(Q)OR Krylov Methods in Finite Precision: Inherent Characteristics
GAMM Workshop Applied and Numerical Linear Algebra with special emphasis on Applications in Medicine and Biology September 12-13, 2003, Technische Universität Braunschweig, Germany
GAMM Workshop Applied and Numerical Linear Algebra with special emphasis on Applications in Medicine and Biology September 12-13, 2003, Technische Universität Braunschweig, Germany
(Q)OR Methods in Finite Precision: Inherent Characteristics
Kolloquium über Numerical Linear Algebra TUHH, 7. Juli 2003
Kolloquium über Numerical Linear Algebra TUHH, 7. Juli 2003
2002
Hessenberg Eigenvalue - Eigenvector Relations and their Application to the Error Analysis of Finite Precision Krylov Subspace Methods
GAMM Workshop Numerical Linear Algebra with special emphasis on Multilevel and Krylov Subspace Methods September 13-14, 2002, University of Bielefeld, Germany
GAMM Workshop Numerical Linear Algebra with special emphasis on Multilevel and Krylov Subspace Methods September 13-14, 2002, University of Bielefeld, Germany
Finite Precision Krylov Methods in a Nutshell
Milovy 2002, Computational Linear Algebra with Applications August 4-10, 2002, Milovy, Czech Republic
Milovy 2002, Computational Linear Algebra with Applications August 4-10, 2002, Milovy, Czech Republic
Hessenberg eigenvalue - eigenvector relations and their application to the error analysis of finite precision Krylov subspace methods
Kolloquium über Numerical Linear Algebra TUHH, 10. Juli 2002
Kolloquium über Numerical Linear Algebra TUHH, 10. Juli 2002
Finite Precision Krylov Methods: Where are the Frontiers?
Visiting Prague between May 29th and June 2nd / Talk at ICS of CAS, 28.05.2002
2000
Internationales Kolloquium über Anwendungen der Mathematik
September 29-30, 2000, Universität Hamburg, Germany
Fast Numerical Verification in MATLAB
16th IMACS World Congress 2000 on Scientific Computation, Applied Mathematics and Simulation, Session 121: Computer Arithmetic and Validated Numerics August 21-25, 2000, EPFL, Lausanne
16th IMACS World Congress 2000 on Scientific Computation, Applied Mathematics and Simulation, Session 121: Computer Arithmetic and Validated Numerics August 21-25, 2000, EPFL, Lausanne
III International Workshop on Accurate Solution of Eigenvalue Problems
July 3-6, 2000, Arcadeon Conference Center, Hagen, Germany
1999
How Orthogonality is Lost in Krylov Methods
Symbolic-algebraic Methods and Verification Methods - Theory and Applications Dagstuhl Seminar No. 99471, November 21-26, 1999, Dagstuhl
Symbolic-algebraic Methods and Verification Methods - Theory and Applications Dagstuhl Seminar No. 99471, November 21-26, 1999, Dagstuhl
The Behaviour of the Finite Precision Lanczos Algorithm
Computation and Analytic Problems in Spectral Theory Workshop, July 11-16, 1999, Gregynog
Computation and Analytic Problems in Spectral Theory Workshop, July 11-16, 1999, Gregynog
Workshop on Applied Linear Algebra in honor of Ludwig Elsner
January 21-23, 1999, Bielefeld
1998
Error Control and Adaptivity in Scientific Computing
International Advanced Study Institute, August 9-21, 1998, Antalya (Turkey)
GAMM-Jahrestagung 1998
6. - 9. April 1998, Bremen
1997
Harburger Sommerschulen 1997
Nichtlineare Gleichungssysteme, 17. - 21. März 1997
Parallele Algorithmen und Rechnerarchitekturen, 3. - 7. März
Numerische Lösung gewöhnlicher Differentialgleichungen, 24. - 28. Februar 1997
Parallele Algorithmen und Rechnerarchitekturen, 3. - 7. März
Numerische Lösung gewöhnlicher Differentialgleichungen, 24. - 28. Februar 1997
1996
Symmetriegruppen und Differentialgleichungen
Kompaktseminar, 15. - 20. September 1996, Wuppertal