TUHH / Institut für Mathematik / Mitarbeiter / Dr. Jens-Peter M. Zemke / Vorträge Englische Flagge


2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2003 | 2002 | 2000 | 1999 | 1998 | 1997 | 1996


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


Die Matrix hat Dich...
Folge dem weißen Kaninchen.
Public presentation at the "Nacht des Wissens", Hamburg University of Technology, November 7, 2015


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
Augmented Analysis of Lanczos Tridiagonalization
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


Eigenvector Computations based on IDR
GAMM Workshop on Applied and Numerical Linear Algebra
Wuppertal, Germany, September 9-10, 2013


Applied Krylov subspace methods
Kickoff meeting of the Institute of Mathematics, TUHH
July 17-18, 2012


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
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
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)


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
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
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


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
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
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
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


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
Quasi-Minimal-Residual Eigenpairs
GAMM Annual Meeting 2008, Section 17: Applied and numerical linear algebra
March 31 - April 4, 2008, Universität Bremen


Eigenpair Extraction Using Krylov Subspaces
Harrachov 2007, Computational Methods with Applications
August 19 - 25, 2007, Harrachov, Czech Republic


Abstract Perturbed Krylov Methods
GAMM Annual Meeting 2006, Section 17: Applied and numerical linear algebra
March 27 - 31, 2006, Technische Universität Berlin


Abstract Perturbed Krylov Methods: Just another point of view? Visiting Prague between March 5th and March 12th / Talk at ICS ofAS, 08.03.2005


Hessenberg Eigenvalue-Eigenmatrix Relations
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)


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
(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
(Q)OR Methods in Finite Precision: Inherent Characteristics
Kolloquium über Numerical Linear Algebra
TUHH, 7. Juli 2003


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
Finite Precision Krylov Methods in a Nutshell
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
Finite Precision Krylov Methods: Where are the Frontiers? Visiting Prague between May 29th and June 2nd / Talk at ICS of CAS, 28.05.2002


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
III International Workshop on Accurate Solution of Eigenvalue Problems July 3-6, 2000, Arcadeon Conference Center, Hagen, Germany


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
The Behaviour of the Finite Precision Lanczos Algorithm
Computation and Analytic Problems in Spectral Theory
Workshop, July 11-16, 1999, Gregynog


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


Harburger Sommerschulen 1997 Nichtlineare Gleichungssysteme, 17. - 21. März 1997
Parallele Algorithmen und Rechnerarchitekturen, 3. - 7. März
Numerische Lösung gewöhnlicher Differentialgleichungen, 24. - 28. Februar 1997


Symmetriegruppen und Differentialgleichungen Kompaktseminar, 15. - 20. September 1996, Wuppertal