Introduction of researcher

Introduction of Graduate Student

As of June 7th, 2011

[Name]

Keiichi MORIKUNI

[Date of birth]

1985/Jan/5th

[Bachelor degrees]

Design

[Affiliation / Position]

4th-year student of five-year doctor-course program
Department of Informatics
School of Multidisciplinary Sciences
The Graduate University for Advanced Studies, Sokendai

[Room]

1410

[E-mail]

morikuni@nii.ac.jp

[Research fields]

Numerical linear algebra, numerical analysis

Outline of current research

Education

Academic societies

Other publications

Speeches and oral presentations

[Outline of current research]

The design, development and numerical analysis of preconditioners for Krylov subspace iterative solutions of least squares problems.

[Education]

2008-current, 4th-year student of five-year doctor-course program,
Department of Informatics, School of Multidisciplinary Sciences,
the Graduate University for Advanced Studies, Tokyo, Japan.

2008 Bachelor of Design, Department of Acoustic Design,
Faculty of Design, Kyushu University, Fukuoka, Japan.

[Academic societies]

Student member of the Japan Society for Industrial and Applied Mathematics (JSIAM) (2008-)

Student member of the Acoustical Society of Japan (ASJ) (2008-)

Member of World Student Organizing Committee, EWB 2009 (Education Without Border 2009)

Member of Sokendai Workshop 2008

Member of Sokendai Student Seminar 2009

[Other publications]

Morikuni, K. and Hayami, K., Inner-iteration Krylov subspace methods for least squares problems, NII Technical Reports, National Institute of Informatics, NII-2011-001E, April 4th, 2011, ISSN 1346-5597, pp. 1-27.
Morikuni K., Mahmudul Faisal Al Ameen, and Yamashita, S., Why Aspire to Mathematics at the NII?, NII Today, December, 2009, No. 46, ISSN 1883-1996, pp. 11-12.

[Speeches and oral presentations]

Morikuni K. and Hayami K., Inner-iteration GMRES methods for underdetermined least squares problems 10th IMACS International Symposium on Iterative Methods in Scientific Computing, Marrakesh, Morocco, May 19th, 2011, Program and Abstracts p. 59.
Morikuni, K. and Hayami, K.*, Inner Iteration Preconditioners for Least Squares Problems, - Overdetermined, Underdetermined, and Rank-Deficient Cases -, invited talk, Workshop on Matrix Equations and Tensor Computations, Hunan, China, April 9-18, 2011.
Morikuni, K. and Hayami, K., SOR inner-iteration preconditioners for least squares problems, Algorithms for Matrix/Eigenvalue Problems and their Application, National Institute of Informatics, Japan, Novermber 24th, 2010.
Morikuni, K. and Hayami, K.*, Inner-iteration preconditioners for least squares problems, invited talk, The Third International Conference on Numerical Algebra and Scientific Computing (NASC10), Beijing, China, October 23rd, 2010, Book and Abstracts p. 8.
Morikuni, K. and Hayami, K., Inner iteration preconditioning for least squares problems, Annual Meeting of the Japan Society for Industrial and Applied Mathematics, Tokyo, September 7th 2010.
Morikuni, K. and Hayami, K., Preconditioning using inner iterations for least squares problems, Numerical Analysis Workshop 2010, Nagano, Belgium, August 31st, 2010.
Morikuni, K. and Hayami, K., Iterative preconditioners for least squares problems, 15th International Congress on Computational and Applied Mathematics (ICCAM 2010), Leuven, Belgium, July 6th, 2010.
Hayami, K. and Morikuni, K., Inner-iteration preconditioners for least squares problems, invited talk, Applied Mathematics International Conference 2010 (AMIC 2010) and the 6th East Asia SIAM Conference 2010 (EASIAM), Kuala Lumpur, Malaysia, June 22nd, 2010, Program and Abstracts, p. 19.
Samejima, T., Kida, Y., and Morikuni, K., Semi-analytical calculation methods for multiple acoustic scattering by arbitrary obstacles, Annual Meeting of the Institute of Systems, Control and Information Engineers, Kyoto Research Park, Japan, May 14th, 2010.
Kida, Y., Samejima, T., and Morikuni, K., Semi-analytic method for multiple acoustic scattering field by multiple scatterers, Meeting on Architectural Acoustics: Numerical Acoustic Analysis, Institute of Industrial Science, The University of Tokyo, Japan, April 26th, 2010.
Kida, Y., Samejima, T., and Morikuni, K., Evaluation of semi-analytic method for multiple acoustic scattering field analysis, Autumn Meeting 2010 of the Acoustical Society of Japan, The University of Electro-communications, Japan, March 9th, 2010, Book of Abstracts p. 2-4-12.
Morikuni, K. and Hayami, K., Iterative solution of rank-deficient least squares problems using GMRES methods with inner-iteration preconditioners, 7th Computational Mathematics Conference, Fukushima, Japan, October 16th, 2009.
Morikuni, K., Cui, X., and Hayami, K., Preconditioning Krylov subspace methods using inner-iterations for least squares problems, Annual Meeting of the Japan Society for Industrial and Applied Mathematics, Osaka University, Japan, September 29th, 2009, Book of Abstracts pp. 173-174.
Morikuni, K. and Cui, X., and Hayami K., Preconditioning Krylov subspace methods using inner iterations for least squares problems, GAMM Workshop Applied and Numerical Linear Algebra: Preconditioning, ETH, Zurich, September 11th, 2009.
Morikuni, K., Cui, X., and Hayami, K., Preconditioning with inner iterations for least squares problems, 38th Numerical Analysis Symposium, Book of Abstracts pp.41-44, Shizuoka, Japan, June 15th, 2009.
Morikuni, K., Cui, X., and Hayami, K., Preconditioning with column decomposed AOR methods for least squares problems, Transactions of the Japan Society for Industrial and Applied Mathematics, Kyoto University, Japan, March 7th, 2009.
Morikuni, K. and Hayami, K., Experiments on column decomposed AOR method for least squares problems, Annual Meeting of the Japan Society for Industrial and Applied Mathematics, The University of Tokyo, Japan, September 19th, 2008, Book of Abstracts pp. 431-432.
Morikuni, K., Samejima, T., and Kashida, M., Analysis of acoustic scattering from multiple obstacles with arbitrary boundary conditions, Autumn Meeting 2008, The Acoustical Society of Japan, Kyushu University, Japan, September 10th, 2008, Book of Abstracts p. 1-6-10.
Morikuni, K., Samejima, T., and Kashida, M., Analysis of acoustic scattering from multiple obstacles with arbitrary boundary conditions, the 37th Numerical Analysis Symposium 2008, Akita, Japan, June 16th, 2008.

[Outline of current research]
	The design, development and numerical analysis of preconditioners for Krylov subspace iterative solutions of least squares problems.
[Education]
	2008-current, 4th-year student of five-year doctor-course program, Department of Informatics, School of Multidisciplinary Sciences, the Graduate University for Advanced Studies, Tokyo, Japan. 2008 Bachelor of Design, Department of Acoustic Design, Faculty of Design, Kyushu University, Fukuoka, Japan.
[Academic societies]
	Student member of the Japan Society for Industrial and Applied Mathematics (JSIAM) (2008-)
	Student member of the Acoustical Society of Japan (ASJ) (2008-)
	Member of World Student Organizing Committee, EWB 2009 (Education Without Border 2009)
	Member of Sokendai Workshop 2008
	Member of Sokendai Student Seminar 2009
[Other publications]
	Morikuni, K. and Hayami, K., Inner-iteration Krylov subspace methods for least squares problems, NII Technical Reports, National Institute of Informatics, NII-2011-001E, April 4th, 2011, ISSN 1346-5597, pp. 1-27. Morikuni K., Mahmudul Faisal Al Ameen, and Yamashita, S., Why Aspire to Mathematics at the NII?, NII Today, December, 2009, No. 46, ISSN 1883-1996, pp. 11-12.
[Speeches and oral presentations]
	Morikuni K. and Hayami K., Inner-iteration GMRES methods for underdetermined least squares problems 10th IMACS International Symposium on Iterative Methods in Scientific Computing, Marrakesh, Morocco, May 19th, 2011, Program and Abstracts p. 59. Morikuni, K. and Hayami, K., Inner Iteration Preconditioners for Least Squares Problems, - Overdetermined, Underdetermined, and Rank-Deficient Cases -, invited talk, Workshop on Matrix Equations and Tensor Computations, Hunan, China, April 9-18, 2011. Morikuni, K. and Hayami, K., SOR inner-iteration preconditioners for least squares problems, Algorithms for Matrix/Eigenvalue Problems and their Application, National Institute of Informatics, Japan, Novermber 24th, 2010. Morikuni, K. and Hayami, K., Inner-iteration preconditioners for least squares problems, invited talk, The Third International Conference on Numerical Algebra and Scientific Computing (NASC10), Beijing, China, October 23rd, 2010, Book and Abstracts p. 8. Morikuni, K. and Hayami, K., Inner iteration preconditioning for least squares problems, Annual Meeting of the Japan Society for Industrial and Applied Mathematics, Tokyo, September 7th 2010. Morikuni, K. and Hayami, K., Preconditioning using inner iterations for least squares problems, Numerical Analysis Workshop 2010, Nagano, Belgium, August 31st, 2010. Morikuni, K. and Hayami, K., Iterative preconditioners for least squares problems, 15th International Congress on Computational and Applied Mathematics (ICCAM 2010), Leuven, Belgium, July 6th, 2010. Hayami, K. and Morikuni, K., Inner-iteration preconditioners for least squares problems, invited talk, Applied Mathematics International Conference 2010 (AMIC 2010) and the 6th East Asia SIAM Conference 2010 (EASIAM), Kuala Lumpur, Malaysia, June 22nd, 2010, Program and Abstracts, p. 19. Samejima, T., Kida, Y., and Morikuni, K., Semi-analytical calculation methods for multiple acoustic scattering by arbitrary obstacles, Annual Meeting of the Institute of Systems, Control and Information Engineers, Kyoto Research Park, Japan, May 14th, 2010. Kida, Y., Samejima, T., and Morikuni, K., Semi-analytic method for multiple acoustic scattering field by multiple scatterers, Meeting on Architectural Acoustics: Numerical Acoustic Analysis, Institute of Industrial Science, The University of Tokyo, Japan, April 26th, 2010. Kida, Y., Samejima, T., and Morikuni, K., Evaluation of semi-analytic method for multiple acoustic scattering field analysis, Autumn Meeting 2010 of the Acoustical Society of Japan, The University of Electro-communications, Japan, March 9th, 2010, Book of Abstracts p. 2-4-12. Morikuni, K. and Hayami, K., Iterative solution of rank-deficient least squares problems using GMRES methods with inner-iteration preconditioners, 7th Computational Mathematics Conference, Fukushima, Japan, October 16th, 2009. Morikuni, K., Cui, X., and Hayami, K., Preconditioning Krylov subspace methods using inner-iterations for least squares problems, Annual Meeting of the Japan Society for Industrial and Applied Mathematics, Osaka University, Japan, September 29th, 2009, Book of Abstracts pp. 173-174. Morikuni, K. and Cui, X., and Hayami K., Preconditioning Krylov subspace methods using inner iterations for least squares problems, GAMM Workshop Applied and Numerical Linear Algebra: Preconditioning, ETH, Zurich, September 11th, 2009. Morikuni, K., Cui, X., and Hayami, K., Preconditioning with inner iterations for least squares problems, 38th Numerical Analysis Symposium, Book of Abstracts pp.41-44, Shizuoka, Japan, June 15th, 2009. Morikuni, K., Cui, X., and Hayami, K., Preconditioning with column decomposed AOR methods for least squares problems, Transactions of the Japan Society for Industrial and Applied Mathematics, Kyoto University, Japan, March 7th, 2009. Morikuni, K. and Hayami, K., Experiments on column decomposed AOR method for least squares problems, Annual Meeting of the Japan Society for Industrial and Applied Mathematics, The University of Tokyo, Japan, September 19th, 2008, Book of Abstracts pp. 431-432. Morikuni, K., Samejima, T., and Kashida, M., Analysis of acoustic scattering from multiple obstacles with arbitrary boundary conditions, Autumn Meeting 2008, The Acoustical Society of Japan, Kyushu University, Japan, September 10th, 2008, Book of Abstracts p. 1-6-10. Morikuni, K., Samejima, T., and Kashida, M., Analysis of acoustic scattering from multiple obstacles with arbitrary boundary conditions, the 37th Numerical Analysis Symposium 2008, Akita, Japan, June 16th, 2008.