Ken Hayami

Last updated: 12/04/16 17:01
 

Profile

Born January, 1956

[Education]

1979 Bachelor of Engineering, Department of Mathematical Engineering and Instrumentation Physics, Faculty of Engineering, The University of Tokyo

1981 Master of Engineering, Department of Mathematical Engineering and Instrumentation Physics, Graduate School of Engineering, The University of Tokyo

1991 Ph.D., Wessex Institute of Technology, Council for National Academic Awards, U.K.

1993 Doctor of Engineering, The University of Tokyo


[Career]

1981-1993 Research Laboratories, NEC Corporation

1986-1988 Visiting Researcher, Wessex Institute of Technology, U.K.

1991-1993 Research Manager, C&C Information Technology Research Laboratories, NEC Corporation

1993-2000 Associate Professor, Department of Mathematical Engineering and Information Physics, Faculty of Engineering, The University of Tokyo

1995-2000 Associate Professor, Department of Mathematical Engineering and Information Physics, Graduate School of Engineering, The University of Tokyo

1997-1998 Visiting Associate Professor, Department of Mathematics, Kiel University, Germany

2001-2006 Professor, Mathematical Informatics, Foundations of Informatics Research Division, National Institute of Informatics

2002-2004 Professor, Department of Informatics, School of Mathematical and Physical Science, The Graduate University for Advanced Studies

2004- Professor, Department of Informatics, School of Multidisciplinary Sciences, The Graduate University for Advanced Studies

2006-2008 Head, Department of Informatics, School of Multidisciplinary Sciences, The Graduate University for Advanced Studies

2006- Professor, Principles of Informatics Research Division, National Institute of Informatics

Papers

 
Greville’s method for preconditioning least squares problems
Cui, X., Hayami K., and Yin, J.-F.,
Advances in Computational Mathematics   35 243-269   Nov 2011   [Refereed]
GMRES methods for least squares problems
Hayami, K., Yin, J.-F., and Ito, T.,
SIAM Journal on Matrix Analysis and Applications   31(5) 2400-2430   Aug 2010   [Refereed]
A geometric view of Krylov subspace methods on singular systems
Hayami, K. and Sugihara, M.,
Numerical Linear Algebra with Applications   18 449-469   May 2011   [Refereed]
Yin, J.-F. and Hayami, K.
Journal of Computational and Applied Mathematics   226 177-186   Apr 2009   [Refereed]
Cui, X. and Hayami, K.
Japan Journal of Industrial and Applied Mathematics   26(1) 1-14   Feb 2009   [Refereed]

Bibliography

 
A Projection Transformation Method for Nearly Singular Surface Boundary Element Integrals (Lecture Notes in Engineering, Vol. 73)
Hayami, K
Springer Verlag, 456 pages   Jan 1992   

Conferences

 
Cluster approximation method for inverse problems: application to model parameter estimation
Aoki, Y., Hayami, K., De Sterck, H., Holder, B. and Konagaya, A.,
Twelfth Copper Mountain Conference on Iterative Methods, Copper Mountain, Colorado   Mar 2012   
Stationary inner-iteration preconditioned GMRES method for least squares problems
Morikuni, K. and Hayami, K.,
Twelfth Copper Mountain Conference on Iterative Methods, Copper Mountain, Colorado   Mar 2012   
Inner-iteration preconditioning for least squares problems [Invited]
Morikuni, K. and Hayami, K.*
International Workshop on Computational Science and Numerical Analysis, The University of Electro-Communications, Tokyo   Mar 2012   
Inner-iteration GMRES methods for least squares problems
Morikuni, K. and Hayami, K.,*
International Conference on Scientific Computing (SC2011), Special session: Iterative Methods for Linear Systems, S. Margherita di Pula, Sardinia, Italy   Oct 2011   
An Algorithm for Solving Underdetermined Inverse Problem Application to Pharmacokinetics Model
Aoki, Y., Hayami, K., and Konagaya, A.
Special Session Presentation, SS-AAIP I Applied Analysis and Inverse Problems I, The International Conference on Applied Mathematics, Modelling and Computational Science (AMMCS 2011), Waterloo   Jul 2011   

Misc

 
FGMRES for linear discrete ill-posed problem
Morikuni, M.., Reichel, L. and Hayami, K.
NII Technical Reports, National Institute of Informatics, Tokyo   NII-2012-001E 1-21   Jan 2012
Cluster Newton Method for Sampling Multiple Solutions of an Underdetermined Inverse Problem: Parameter Identification for Pharmacokinetics
Aoki, Y., Hayami,K., De Sterck, H. and Konagaya, A.
NII Technical Reports, National Institute of Informatics, Tokyo   NII-2011-002E 1-38   Aug 2011
Inner-iteration preconditioned GMRES for underdetermined least squares problems
Proc. 40th Numerical Analysis Symposium, Toba   121-124   Jun 2011
Inner-iteration Krylov subspace methods for least squares problems
Morikuni, K. and Hayami, K.
NII Technical Reports, National Institute of Informatics, Tokyo   NII-2011-001E 1-27   Apr 2011
Cui, X., Hayami, K., and Yin, J.-F.
Proceedings of contributed papers and posters, ALGORITMY 2009, 18th Conference on Scientific Computing, Vysoke Tatry-Podbanske, Slovakia, March 15-20, 2009   440-448   Mar 2009   [Refereed]

Academic Societies

 
 

Prizes

 
Jul 2011
for the poster: "Aoki, Y., Hayami, K., Konagaya, A., and De Sterck, H., An Algorithm for Solving Underdetermined Inverse Problems: Application to Parameter Identification for a Pharmacokinetics Model, First Prize in the AC.CES poster awarded to Mr. Yasunori Aoki, Aachen Conference on Computational Engineering Science (AC.CES), ( http://www.acces11.rwth-aachen.de/MainContents/News.php )
 
Oct 2010
for the paper “Ken Hayami, Jun-Feng Yin and Tokushi Ito, GMRES methods for least squares problems, SIAM Journal on Matrix Analysis and Applications, 31:5(2010), 2400-2430”., The Applied Numerical Algebra Prize, awarded to Dr. Jun-Feng Yin, Numerical Algebra Group, China Society of Computational Mathematics (CSCM), (http://lsec.cc.ac.cn/~NASCNAG/Prize.html).