Shigeta Takemi

シゲタタケミ | Shigeta Takemi

Affiliation and department：
Job title： Professor

Research field (2)： Applied mathematics and statistics , Basic mathematics

Research keywords (8)： Computational fluid dynamics , Meshless method , Finite element method , Numerical computation , Applied mathematics , Inverse problem , Numerical analysis , Partial differential equation

Research theme for competitive and other funds (1)：

2006 - 2007 Study on convergence properties of the variational method for an inverse boundary value problem

Papers (14)：

Shigeta, T. Ill-conditioned simultaneous linear equations to which the regularized solution almost coincides with the exact one. BULLETIN of Showa Pharmaceutical University. 2018. 55. 1-9
Takemi Shigeta. Reconstruction of the non-homogeneous term of simultaneous linear equations using the truncated singular value decomposition. Transactions of the Japan Society for Computational Methods in Engineering. 2017. 17. 43-46
Takemi Shigeta. Modified Schwarz alternating method and its convergence property. Transactions of the Japan Society for Computational Methods in Engineering. 2014. 14. 7-12
Takemi Shigeta, D. L. Young, Chein-Shan Liu. Adaptive multilayer method of fundamental solutions using a weighted greedy QR decomposition for the Laplace equation. JOURNAL OF COMPUTATIONAL PHYSICS. 2012. 231. 21. 7118-7132
Takemi Shigeta, D. L. Young. Regularized solutions with a singular point for the inverse biharmonic boundary value problem by the method of fundamental solutions. ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS. 2011. 35. 7. 883-894

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MISC (56)：

Improvement of the Method of Fundamental Solutions Using a Weighted Greedy QR Decomposition. 2013. 18. 4p
Shigeta, T, Young, D. L. Condition number and the related mathematical study on boundary meshless methods for the Laplace equation in an exterior unbounded domain. Joint International Workshop on Trefftz Method VI and Method of Fundamental Solutions II, National Sun Yat-sen University, Kaohsiung, Taiwan. 2011. 1-30
Shigeta, Takemi. Der-Liang Young Laboratory, Department of Civil Engineering, National Taiwan University. [Laboratory], Bulletin of the Japan Society for Industrial and Applied Mathematics. 2009. 19. 1. 56-58
Onishi, K, Ohura, Y, Shigeta, T, Shirota, K. Rank reduction technique for the Laplace equation in mind with noisy cauchy data. Transactions of the Japan Society for Computational Methods in Engineering. 2008. 8. 43-48
Onishi, K, Shirota, K, Shigeta, T. Regularization by rank reduction associated with the Cauchy problem of the Laplace equation. The International Conference on Inverse Problems and its Applications: Dedicate to Prof. V. Isakov and Prof. G. Nakamura’s 60th birthday, Fudan University, Shanghai, China. 2008

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Lectures and oral presentations (7)：

An Iterative Domain Decomposition Method with the Modified Method of Fundamental Solutions and the Fast Fourier Transform
(The 7th Asia-Pacific International Conference on Computational Methods in Engineering (ICOME2023))
Fundamental Regularization Method and Reconstruction of Simultaneous Equations
(Department of Harbor and River Engineering, National Taiwan Ocean University 2023)
非有界領域問題に対する局所化基本解近似解法
(第25回計算工学講演会)
Improved numerical solution to the exterior Stokes problem using the method of fundamental solutions
(The 7th Asian Pacific Congress on Computational Mechanics (APCOM2019) 2019)
Improvement in the ill-conditioning of boundary meshless methods for unbounded domain problems of the Laplace equation
(Department of Applied Mathematics, National Chiao Tung University (Hsinchu, Taiwan) 2011)

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Education (3)：

1997 - 2000 Ibaraki University Graduate School of Science and Engineering Course of Developing Mathematical Science, Major of Physical Sciences
1995 - 1997 Tokyo University of Science Graduate School of Science Major of Mathematics
1991 - 1995 Tokyo University of Science Faculty of Science Department of Applied Mathematics

Professional career (1)：

Ph.D. in Science

Work history (9)：

2018/04 - 現在 Showa Pharmaceutical University Laboratory of Applied Mathematics, Center for Pharmacy Preparatory Education Professor
2019/04 - 2021/09 Ibaraki University Mathematics and Infomatics Part-time Lecturer
2018/02 - 2018/03 Showa Pharmaceutical University Laboratory of Applied Mathematics, Center for Education of Fundamental Pharmaceutical Sciences Professor
2012/04 - 2018/01 Laboratory of Applied Mathematics, Center for Education of Fundamental Pharmaceutical Sciences, Showa Pharmaceutical University Associate Professor
2013/04 - 2013/09 Ibaraki University Mathematics and Informatics Course, College of Science Part-time Lecturer

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Awards (1)：

2003/06 - Japan Society for Simulation Technology Encouraging Prize Japan Society for Simulation Technology

Association Membership(s) (2)：

The Japan Society for Industrial and Applied Mathematics , JAPAN SOCIETY FOR COMPUTATIONAL METHODS IN ENGINEERING

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