Keiichi Morikuni

J-GLOBAL         Last updated: Jan 13, 2020 at 00:41
 
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Name
Keiichi Morikuni
E-mail
morikunics.tsukuba.ac.jp
Affiliation
University of Tsukuba
Section
Division of Information Engineering, Faculty of Engineering, Information and Systems
Job title
Assistant Professor
Degree
Bachelor of Design(Kyushu University), Doctor of Philosophy(The Graduate University for Advanced Studies (SOKENDAI))
Research funding number
90765934

Profile

* Numerical linear algebra
* Matrix analysis
* Numerical algorithms (design, development, theoretical analysis, and applications)
- Least squares problems; Singular systems; Optimization; Eigenvalue problems; Sparse matrices;
- Preconditioners; Krylov subspace methods; Iterative methods

Expired e-mail addresses: morikuni@nii.ac.jp morikuni@cs.cas.cz

Research Areas

 
 

Academic & Professional Experience

 
Jun 2015
 - 
Today
Assistant Professor, Division of Information Engineering, Faculty of Engineering, Information and Systems, University of Tsukuba
 
Apr 2014
 - 
May 2015
Postdoctoral Fellow, Institute of Computer Science, Czech Academy of Sciences
 
Apr 2013
 - 
Mar 2014
Project researcher, Uno Laboratory, Funding Program for World-Leading Innovative R&D on Science and Technology (FIRST) "Development of the Fastest Database Engine for the Era of Very Large Database and Experiment and Evaluation of Strategic Social Services Enabled by the Database Engine, National Institute of Informatics
 
May 2008
 - 
Feb 2013
Research assistant, Hayami Laboratory, National Institute of Informatics
 

Education

 
Apr 2008
 - 
Mar 2013
Five-year Doctoral Program, Department of Informatics (Supervisor: Professor Ken Hayami), School of Multidisciplinary Sciences, The Graduate University for Advanced Studies (SOKENDAI)
 
Apr 2004
 - 
Mar 2008
Department of Acoustic Design (Supervisor: Associate Professor Toshiya Samejima), School of Design, Kyushu University
 

Published Papers

 
Matsuda, M., Morikuni, K., Imakura, A., Ye, X., and Sakurai, T.
Intelligent Data Analysis, accepted      [Refereed]
arXiv:1910.07174 [cs.LG]
Imakura, A., Morikuni, K., and Takayasu, A.
Journal of Computational and Applied Mathematics (open access), in press   369(1)    May 2020   [Refereed]
arXiv:1904.06277 [math.NA]
Cui, Y., Morikuni, K., Tsuchiya, T., and Hayami, K.
Computational Optimization and Applications (open access)   74(1) 143-176   Sep 2019   [Refereed]
arXiv:1604.07491 [math.OC]
http://www.optimization-online.org/DB_HTML/2016/04/5421.html
NII Technical Report, National Institute of Informatics, NII-2016-003E, 1346-5597, May, 2016
http://www.nii.ac.jp/TechReports/public_html/16-003E.html
Morikuni, K.
Transactions of the Japan Society for Industrial and Applied Mathematics   29(1) 62-77   Mar 2019   [Refereed]
Matsuda, M., Morikuni, K., and Sakurai, T.
Proceedings of the Twenty-Seventh International Joint Conference on Artificial Intelligence (IJCAI-18)   2560-2566   Jul 2018   [Refereed]
arXiv:1805.07006 [stat.ML]

Awards & Honors

 
Aug 2018
スペクトラル特徴量スケーリングの多クラス分類問題への拡張, Best Poster Award at the 2018 JSIAM Annual Meeting, Japan Society for Industrial and Applied Mathematics (JSIAM)
Winner: Matsuda, M. (co-authored by Morikuni, K., Imakura, A., and Sakurai, T.)
 
Sep 2017
複素モーメントの誤差評価を用いた周回積分型精度保証付き部分固有値計算, Best Poster Award at the 2017 JSIAM Annual Meeting, Japan Society for Industrial and Applied Mathematics (JSIAM)
Winner: Takayasu, A. (Co-authored by Imakura, A. and Morikuni, K.)
 
Jun 2017
長方行列束の固有値問題に対する周回積分型解法 (Contour integral-type method for eigenproblems of rectangular matrix pencils), Best Presentation Award for Young Researchers at the 2016 JSIAM Annual Meeting, Japan Society for Industrial and Applied Mathematics (JSIAM)
Winner: Morikuni, K.
 
Feb 2015
Inner-iteration preconditioning for least squares problems, Inoue Research Award for Young Scientists, Inoue Foundation for Science
Winner: Morikuni, K.
 
http://www.inoue-zaidan.or.jp
Sugaku Seminar, vol.54_no.3_641, p. 107, March, 2015.
Jul 2013
"Morikuni, K. and Hayami, K., Inner-Iteration Krylov Subspace Methods for Least Squares Problems, SIAM J. Matrix Anal. Appl., 34 (2013), pp. 1-22", SIAM Student Paper Prize, Society for Industrial and Applied Mathematics (SIAM)
Winner: Morikuni, K (co-authored with Hayami, K.)
 
http://www.siam.org/prizes/sponsored/student_paper.php

Conference Activities & Talks

 
Morikuni, K.
Japan SIAM Annual Meeting 2019, Tokyo, Japan   4 Sep 2019   
松本すみ礼, 保國 惠一, 松田萌望, 坂本航太郎, 大山薫, Kaspar Vogt, 櫻井鉄也
The 42th Annual Meeting of the Japan Neuroscience Society,Niigata, Japan   25 Jul 2019   
Rozložník, M. and Morikuni, K.
International Congress on Industrial and Applied Mathematics (ICIAM2019), Valencia, Spain   19 Jul 2019   
Rozložník M. and Morikuni K.
90th GAMM Annual Meeting, Vienna, Austria   20 Feb 2019   
Morikuni, K. and Rozložník, M.
GAMM Applied Numerical Linear Algebra (ANLA) Workshop, Lund, Sweden   11 Oct 2018   

Research Grants & Projects

 
Japan Society for the Promotion of Sciences: Grant-in-Aid for Scientific Research (B), Grants-in-Aid for Scientific Research
Project Year: Apr 2018 - Mar 2021    Investigator(s): Tetsuya Sakurai
Japan Society for the Promotion of Sciences: Grant-in-Aid for Young Scientists (B), Grants-in-Aid for Scientific Research
Project Year: Apr 2016 - Mar 2020    Investigator(s): Morikuni, K.
Convergence Analysis of Krylov Subspace Methods for Singular Systems in Finite Precision Arithmetic
University of Tsukuba: Short-Term Overseas Travel Grant Program in 2018
Project Year: Oct 2018 - Oct 2018    Investigator(s): Morikuni, K.
The Hattori Hokokai Foundation, Public Interest Incorporated Foundation: 工学研究奨励援助金 (Grant-in-Aid for Engineering Research)
Project Year: Aug 2017 - Jul 2018    Investigator(s): Morikuni, K.
The Graduate University for Advanced Studies: Sokendai Short-stay Study Abroad Program 2010
Project Year: Jun 2010 - Jul 2010    Investigator(s): Keiichi Morikuni

Misc

 
Imakura, A., Morikuni, K., and Takayasu, A.
arXiv:1904.06277v1 [math.NA]   1-13   Apr 2019
Morikuni, K.
Bulletin of the Japan Society for Industrial and Applied Mathematics   28(2) 11-18   Jun 2018   [Invited]
Morikuni, K.
RIMS Kokyuroku, Numerical Analysis: New Developments for Elucidating Interdisciplinary Problems II   2037 44-51   Jul 2017
Morikuni, K. and Rozloznik, M.
arXiv:1705.03153 [math.NA]   1-15   May 2017

Association Memberships

 
 

Teaching Experience

 
 
  • Linear Algebra I (College of Information Science, School of Informatics, University of Tsukuba)
  • Basic Computational Biology (Ph.D. Program in Human Biology; Department of Computer Science, Graduate School of Systems and Information Engineering, University of Tsukuba)
  • Computational Algorithms (Collage of Information Science, School of Informatics, University of Tsukuba)

Committee Memberships

 
Apr 2018
 - 
Today
Japan Society for Industrial and Applied Mathematics (JSIAM)  JSIAM Letters Editorial Board
 
Apr 2018
 - 
Today
Japan Society for Industrial and Applied Mathematics (JSIAM)  Secretary, Activity Group on Algorithms for Matrix / Eigenvalue Problems and their Applications
 
Apr 2018
 - 
Today
Japan Society for Industrial and Applied Mathematics (JSIAM)  Editorial Board of Bulletin, Bulletin of the Japan Society for Industrial and Applied Mathematics
 
Jun 2017
 - 
Jun 2017
Numerical Analysis Symposium 2017  Executive Committee Member
 
Jan 2016
 - 
Jan 2016
Workshop on Numerical Algebra, Algorithms, and Analysis  Organizing Committee