Siegfried M. Rump

• Publications         100 € Problem and a 200 € Problem         INTLAB Version 14 available
  • 
    

        ===> The 100 € Problem was solved March 8, 2026 by Teng Zhang, Xi'an, China.

• Citations
  • 
    
• Selected References to INTLAB
  • 
    
• Research Topics
  • Matrix Theory
  • Self-Validating Methods
  • Numerical Linear Algebra
  • Scientific Computing


• What is research?
  • Yesterday I finished a proof,
  • Today I found a flaw.
  • I had a pleasant night.


• Accurate summation and Dot Product: Matlab/Octave reference implementations
  • 
    
• Associate editor of ACM TOMS Transactions on Mathematical Software
  Editor in chief of Nonlinear Theory and Its Applications (NOLTA), IEICE
  Member of the editorial board of the Journal of Reliable Computing
  Editor of the Journal for Applied Mathematics & Information Sciences
  Associate Editor of the Iran Journal of Computer Science
  Editorial board of the International Journal of Fuzzy Computation and Modelling
  Member of the editorial board of the Journal on Wavelets and Linear Algebra
  Former Vicepresident of IFIP Working Group 2.5
  IFIP Silver Core member since 2001
  • 
    
• Curriculum vitae
  • born March 3, 1955
  • 1972-1977 Study of Mathematics, Physics and Computer Science, University of Kaiserslautern
  • February 1977 Diploma Mathematics, University of Kaiserslautern
  • February 1980 Ph.D. Mathematics, University of Karlsruhe
  • February 1983 Habilitation Mathematics, University of Karlsruhe
  • 1983-1987 IBM Research and Development Böblingen
  • since 1987 Head of the Institute for Reliable Computing, Hamburg University of Technology
  • in 2008, 2009, 2010, 2016, 2018 Visiting Professor at University Paris VI Sorbonne, France
    
  • since 2002 Visiting Professor at Waseda University, Tokyo, Japan


• Address:
  • Institute for Reliable Computing
  • Hamburg University of Technology
  • Am Schwarzenberg-Campus 3
  • 21073 Hamburg
  • Germany
  • 
    
  • phone +49 (0)40 42878 3027
  • fax +49 (0)40 42878 2489
  • e-mail rump∂tuhh.de
  
  and
  • Visiting Professor at Waseda University
  • Faculty of Science and Engineering
  • 3-4-1 Okubo, Shinjuku-ku
  • Tokyo 169-8555
  • Japan
  • 
    
  • phone/fax +81 (0)3 5286 3330

• Japan, my second home