IMAI Hitoshi

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Name
IMAI Hitoshi
Affiliation
Doshisha University
Section
Faculty of Science and EngineeringDepartment of Mathematical Science
Degree
Doctor of Engineering(The University of Tokyo)

Academic & Professional Experience

 
1988
 - 
1990
University of Tsukuba, Research Assistant
 
1990
 - 
1993
University of Tsukuba, Lecturer
 
1993
 - 
1996
The University of Tokushima, Associate Professor
 
1996
   
 
- The University of Tokushima, Professor
 

Education

 
 
 - 
1983
Department of Applied Physics, Faculty of Engineering, The University of Tokyo
 
 
 - 
1988
Graduate School, Division of Engineering, The University of Tokyo
 

Published Papers

 
Numerical experiments on analyticity of solutions to fractional differential equations
H. Fujiwara, N. Higashimori, H. Imai
Advances in Mathematical Sciences and Applications   27(1) 169-180   2018   [Refereed]
Numerical limit and its application to a blow-up problem related to default risk
Y. Sasaki, H. Soutome, H. Imai and N. Ishimura
Advances in Mathematical Sciences and Applications   26(1) 29-38   2017   [Refereed]
On Numerical Challenge for the Distinction between Smooth Functions and Analytic Functions
Krishna Chandra Datta,Hitoshi Imai,Hideo Sakaguchi
Theoretical and Applied Mechanics Japan   62 107-117   2013   [Refereed]
On Numerical Computation of Rank Deficit of Matrices in Multiple Precision
Enkhbayar Azjargal,Hitoshi Imai,Hideo Sakaguchi
Advances in Mathematical Sciences and Applications   23(2) 477-486   2013   [Refereed]
Computing Attractors for a Stefan Problem with Heat Source Term Using the Spectral Collocation Method
Shewli Shamim Shanta,Hitoshi Imai,Mohamad Faisal Abdul Karim,Indrojit Kumar Pramanik
Far East Journal of Mathematical Sciences   71(1) 87-104   2012   [Refereed]
Numerical Simulation on Local Solutions of Partial Differential Equations
Hitoshi Imai,Hideo Sakaguchi
Theoretical and Applied Mechanics Japan   61 185-193   2012   [Refereed]
Simple Numerical Judgement on the Singularity of the Matrix by Using the Multiple-Precision Arithmetic
Hitoshi Imai,Hideo Sakaguchi,Yuusuke Iso
Theoretical and Applied Mechanics Japan   60 343-351   2011   [Refereed]
Numerical Simulation on Non-Existence and Non-Uniqueness of Solutions for the Tricomi Equation
Hitoshi Imai,Hideo Sakaguchi,Yuusuke Iso
Gakuto International Series, Mathematical Sciences and Applications   34 39-58   2011   [Refereed]
On Numerical Computation of the Toricomi Equation
Hitoshi Imai,Hideo Sakaguchi,Yuusuke Iso
Theoretical and Applied Mechanics Japan   59 359-372   2010   [Refereed]
Numerical Continuation for the Laplace Equation with Higher Order Regularization
Hitoshi Imai,Hideo Sakaguchi
Gakuto International Series, Mathematical Sciences and Applications   32 131-144   2010   [Refereed]
Numerical Computation of Continuation Problems in the Annular Domain
Hitoshi Imai,Hideo Sakaguchi,Toshiki Takeuchi
Theoretical and Applied Mechanics Japan   58 153-164   2009   [Refereed]
Space-Precise Computation of a Singular Nonlinear Evolution Equation for the Risk Preference
Hitoshi Imai,Naoyuki Ishimura,Masahiro Kushida
IMECS 2009 Proceedings   2135-2139   2009   [Refereed]
Numerical Treatment of Nonlinear Partial Differential Equations for the Risk Preference
Masahiro Kushida,Naoyuki Ishimura,Hitoshi Imai
Theoretical and Applied Mechanics Japan   57 487-492   2008   [Refereed]
Parallel Computing of Interval Arithmetic in Multiple Precision for Simultaneous Linear Equations
Hideo Sakaguchi,Hitoshi Imai,Toshiki Takeuchi
Gakuto International Series, Mathematical Sciences and Applications   28 165-172   2008   [Refereed]
Numerical Treatment of a Singular Nonlinear Partial Differential Equation Arising in the Optimal Investment
Hitoshi Imai,Naoyuki Ishimura,Masahiro Kushida
Thai Journal of Mathematics   5 321-326   2007   [Refereed]
Computational Technique for Treating the Nonlinear Black-Scholes Equation with the Effect of Transaction Costs
Hitoshi Imai,Naoyuki Ishimura,Hideo Sakaguchi
Kybernetika   43 807-815   2007   [Refereed]
Global in Space Simulation for the Black-Scholes Equation Incorporating Transaction Costs
Zhenyu Jin,Hideo Sakaguchi,Naoyuki Ishimura,Hitoshi Imai
Theoretical and Applied Mechanics Japan   56 445-450   2007   [Refereed]
Hitoshi Imai,Hideo Sakaguchi
Theoretical and Applied Mechanics Japan   56 291-300   2007   [Refereed]
Numerical Treatment of Analytic Continuation with Multiple-Precision Arithmetic
Numerical Treatment of Analytic Continuation with Multiple-Precision Arithmetic
36(4) 837-848   2007   [Refereed]
On the Hoggard-Whalley-Wilmott Equation for the Pricing of Options with Transaction Costs
Hitoshi Imai,Naoyuki Ishimura,Ikumi Mottate,Masaaki Nakamura
Asia-Pacific Finan Markets   13 315-326   2006   [Refereed]
Toshiki Takeuchi,Hitoshi Imai,Yinglian Zhu
Theoretical and Applied Mechanics Japan   55 175-184   2006   [Refereed]
Some Methods for Removing Singularity and Infinity in Numerical Simulation
Hitoshi Imai
Gakuto International Series, Mathematical Sciences and Applications   23 103-118   2005   [Refereed]
Toshiki Takeuchi,Hitoshi Imai,Hideo Sakaguchi
Theoretical and Applied Mechanics Japan   54 319-326   2005   [Refereed]
A Numerical Method for Tracking the Level Set in One-Dimensional Problems
Hideo Sakaguchi,Hitoshi Imai
Gakuto International Series, Mathematical Sciences and Applications   20 277-288   2004   [Refereed]
One-Phase Stefan Problems for Sublinear Heat Equations: Asymptotic Behavior of Solutions
Toyohiko Aiki,Hitoshi Imai,Naoyuki Ishimura,Yoshio Yamada
Communications in Applied Analysis   8(1) 1-15   2004   [Refereed]
Direct Numerical Simulations of Cauchy Problems for the Laplace Operators
Toshiki Takeuchi,Hitoshi Imai
Advances in Mathematical Sciences and Applications   13(2) 587-609   2003   [Refereed]
Toyohiko Aiki,Hitoshi Imai,Naoyuki Ishimura,Yoshio Yamada
Nonlinear Analysis: Theory, Methods & Applications   51 587-606   2002   [Refereed]
Numerical Computation of Attractors in Free Boundary Problems
Shewli Shamim Shanta,Toshiki Takeuchi,Hitoshi Imai,Masahiro Kushida
Advances in Mathematical Sciences and Applications   11(2) 531-548   2001   [Refereed]
Some Advanced Applications of the Spectral Collocation Method
Hitoshi Imai,Toshiki Takeuchi
Gakuto International Series, Mathematical Sciences and Applications   17 323-335   2001   [Refereed]
Hitoshi Imai,Toshiki Takeuchi,Shewli Shamim Shanta,Naoyuki Ishimura,Toyohiko Aiki
Nonlinear Analysis: Theory, Methods & Applications   47 3823-3833   2001   [Refereed]
Numerical Approach to the Asymptotic Behavior of Solutions of a One-Dimensional Free Boundary Problem of Hyperbolic Type
Hitoshi Imai,Koji Kikuchi,Kazuaki Nakane,Seiro Omata,Tomomi Tachikawa
Japan Journal of Industrial and Applied Mathematics   18(1) 43-58   2001   [Refereed]
Numerical Simulation of One-Dimensional Free Boundary Problems in Infinite Precision
Tarmizi,Toshiki Takeuchi,Hitoshi Imai,Masahiro Kushida
Advances in Mathematical Sciences and Applications   10(2) 661-672   2000   [Refereed]
Toyohiko Aiki,Hitoshi Imai
Czechoslovak Mathematical Journal   50(1) 135-153   2000   [Refereed]
Analysis on One-Phase Stefan Problems for Semilinear Parabolic Equations with the Dirichlet Boundary Condition
Hitoshi Imai,Naoyuki Ishimura,Toyohiko Aiki
Gakuto International Series, Mathematical Sciences and Applications   14 176-183   2000   [Refereed]
Numerical Simulation of Some One-Dimensional Free Boundary Problems in Arbitrary Precision
Tarmizi,Toshiki Takeuchi,Hitoshi Imai,Masahiro Kushida
Gakuto International Series, Mathematical Sciences and Applications   14 440-452   2000   [Refereed]
Hitoshi Imai,Naoyuki Ishimura,Takeo Ushijima
Journal of Mathematical Analysis and Applications   240(1) 115-127   1999   [Refereed]
A Direct Approach to an Inverse Problem
Hitoshi Imai,Toshiki Takeuchi,Masaaki Nakamura,Naoyuki Ishimura
Gakuto International Series, Mathematical Sciences and Applications   12 223-232   1999   [Refereed]
Motion of Spirals by Crystalline Curvature
Hitoshi Imai,Naoyuki Ishimura,Takeo Ushijima
Mathematical Modelling and Numerical Analysis   33(4) 797-806   1999   [Refereed]
On Numerical Simulation of Partial Differential Equations in Infinite Precision
Hitoshi Imai,Toshiki Takeuchi,Masahiro Kushida
Advances in Mathematical Sciences and Applications   9(2) 1007-1016   1999   [Refereed]
Global Existence of Solutions to One-Phase Stefan Problems for Semilinear Parabolic Equations
Toyohiko Aiki,Hitoshi Imai
Annali di Matematica pura ed applicata   175(4) 327-337   1998   [Refereed]
Numerical Computations of Free Boundary Problems in Quadruple Precision Arithmetic Using an Explicit Method
Hitoshi Imai,Yoshitane Shinohara,Takeshi Konno,Makoto Natori,Weidong Zhou,Isamu Ohnishi,Yasumasa Nishiura
Gakuto International Series, Mathematical Sciences and Applications   11 193-207   1998   [Refereed]
A Model of a Contact Angle Problem and its Numerical Simulation
Takao Hanada,Hitoshi Imai
Gakuto International Series, Mathematical Sciences and Applications   11 181-192   1998   [Refereed]
Convergence of Attractors for Simplified Magnetic Benard System
Hitoshi Imai,Naoyuki Ishimura,Masaaki Nakamura
Gakuto International Series, Mathematical Sciences and Applications   11 136-144   1998   [Refereed]
On the Finite Determination of the Solutions for the MHD Equations
Hitoshi Imai,Naoyuki Ishimura,Masaaki Nakamura
Gakuto International Series, Mathematical Sciences and Applications   11 126-135   1998   [Refereed]
Modified Hele-Shaw Moving Boundary Problem Related to Some Phase Transition Phenomena
Isamu Ohnishi,Hitoshi Imai
11(1) 17-28   1998   [Refereed]
Existence and Uniqueness of Quasiperiodic Solutions to Perturbed Nonlinear Oscillators
Zulfikar Ali,Yoshitane Shinohara,Hitoshi Imai,Hideo Sakaguchi,Kuniya Okamoto
Japan Journal of Industrial and Applied Mathematics   15(2) 279-293   1998   [Refereed]
Analytical Approach to Estimating the Dimension of Attractors
Takashi Hakamada,Hitoshi Imai,Naoyuki Ishimura
Applied Mathematics & Optimization   34 29-36   1996   [Refereed]
Convergence of Attractors for the Simplified Magnetic Benard Equations
Hitoshi Imai,Naoyuki Ishimura,Masaaki Nakamura
European Journal of Applied Mathematics   7 53-62   1996   [Refereed]
Naoyuki Ishimura, Hitoshi Imai, Masaaki Nakamura
BUTSURI   50(9) 697-703   1995   [Refereed]
Numerical Simulation of the Plug Flow Appearing in the Bingham Fluid
Masahiro Fukuda,Hitoshi Imai,Hideo Kawarada
Advances in Mathematical Sciences and Applications   4(1) 227-239   1994   [Refereed]
Numerical Analysis of the Simplified Magnetic Benard Problem
Hitoshi Imai,Masaaki Nakamura
Gakuto International Series, Mathematical Sciences and Applications   2 405-419   1993   [Refereed]
Numerical Study of Natural Convection with a Free Surface by a Spectral Method
Weidong Zhou,Hitoshi Imai,Makoto Natori
Gakuto International Series, Mathematical Sciences and Applications   1 49-60   1993   [Refereed]
Numerical Computations of Free Boundary Problems Using the Spectral Method
Hitoshi Imai,Weidong Zhou,Makoto Natori,Hideo Kawarada
Gakuto International Series, Mathematical Sciences and Applications   1 39-47   1993   [Refereed]
Numerical Computation for Solidification Problems with Moving Surface
Takao Hanada,Hitoshi Imai,Hideo Kawarada,Makoto Natori
Gakuto International Series, Mathematical Sciences and Applications   1 17-38   1993   [Refereed]
Reorthogonalization in the Block Lanczos Algorithm
Hiroko Iguchi,Makoto Natori,Hitoshi Imai
Bulletin Greek Mathematical Society   33 25-39   1992   [Refereed]
A New Reorthogonalization in the Lanczos Algorithm
Hitoshi Imai,Makoto Natori,Eiji Kawamura
Journal of Information Processing   14(1) 56-59   1991   [Refereed]
A Method for Finding Bifurcation Points
Hitoshi Imai,Hideo Kawarada
Control and Cybernetics   20(1) 7-19   1991   [Refereed]
Numerical Computations for Solidification Problems with Change of Volume
Takao Hanada,Hitoshi Imai,Hideo Kawarada,Makoto Natori
Bulletin Greek Mathematical Society   31 29-49   1990   [Refereed]
An Approximate Resolution of a Free Boundary Problem Appearing in the Equilibrium Plasma by Means of Conformal Mapping
Hideo Kawarada,Toshio Sawaguri,Hitoshi Imai
Japan Journal of Applied Mathematics   6(3) 331-340   1989   [Refereed]
One-Component Asymmetric Plasmas in a Symmetric Vessel
Hitoshi Imai,Hideo Kawarada
Japan Journal of Applied Mathematics   5(2) 173-186   1988   [Refereed]
Numerical Analysis of a Free Boundary Problem Related to Two-Dimensional Plasma Equilibrium
Hitoshi Imai
The University of Tokyo      1988   [Refereed]

Misc

 
Numerical Computation for Smoothness of the Solution of a One-Dimensional Hyperbolic Equation
Enkhbayar Azjargal,Naoki Wada,Hitoshi Imai,Hideo Sakaguchi
The Sixth International Conference on Science and Mathematics Education in Developing Countries   78-87   2014
A Numerical Method for Distinction between Blow-up and Global Solutions of the Nonlinear Heat Equation
Hideo Sakaguchi,Hitoshi Imai
Journal of Mathematics, The University of Tokushima   42 27-44   2008
Direct Numerical Simulations of Some Inverse Problems in Multiple Precision
Hitoshi Imai,Toshiki Takeuchi
Proceeding of the 5th Asian Symposium on Applied Electromagnetics and Mechanics   413-417   2006
Eguchi-Oki-Matsumura Equation for Phase Separation: Numerically Guided Approach
Takao Hanada,Hitoshi Imai,Naoyuki Ishimura,Masaaki Nakamura
Proceedings of International Conference on Inverse Problems -Recent Developments in Theories & Numerics   433-442   2003
Direct Simulation of an Integral Equation of the First Kind
Hitoshi Imai,Toshiki Takeuchi
Proceedings of International Conference on Inverse Problems -Recent Developments in Theories & Numerics   247-254   2003
Exact American Option Pricing and the Free Boundary Problem
501-502   2003
Domain Decomposition Method and Infinite-Precision Numerical Simulation
Toshiki Takeuchi,Hitoshi Imai
1288 102-107   2002
A CGS-Like Method for Solving Nonsymmetric Linear Systems
Cheng Hai Jin,Shao Liang Zhang,Hitoshi Imai
Proceedings of Fifth China-Japan Seminar on Numerical Mathematics   147-153   2002
Parallel Computing in Infinite Precision Numerical Simulation for PDE Systems
Hitoshi Imai,Hideo Sakaguchi,Toshiki Takeuchi
Proceedings of Fifth China-Japan Seminar on Numerical Mathematics   141-146   2002
On One-Phase Stefan Problems for Sublinear Heat Equations
Toyohiko Aiki,Hitoshi Imai,Naoyuki Ishimura,Yoshio Yamada
Proceeding of the Third Asian Mathematical Conference 2000   6-11   2002
On Super Numerical Simulation
Hitoshi Imai,Toshiki Takeuchi,Hideo Sakaguchi,Tetsuya Hishinuma
1265 9-17   2002
A New Numerical Technique for the Option Pricing Problem of American Type
Toshiki Takeuchi,Naoyuki Ishimura,Hitoshi Imai
World Multiconference on Systemics, Cybernetics and Informatics Proceedings   2 233-236   2001
On Numerical Methods for Analysis of Chaotic Phenomena in Free Boundary Problems
Hitoshi Imai,Toshiki Takeuchi
1210 115-128   2001
On Numerical Methods for Solving Linear Systems Appearing in Infinite Precision Numerical Simulation
Toshiki Takeuchi,Hideo Sakaguchi,Cheng Hai Jin,Hitoshi Imai
1198 154-160   2001
Numerical Computation of Lyapunov Exponents Related to Attractors in a Free Boundary Problem
Hitoshi Imai,Toshiki Takeuchi,Shewli Shamim Shanta,Naoyuki Ishimura
NIFS-PROC   46 21-29   2000
Infinite Precision Numerical Simulation for PDE Systems and its Applications
Hitoshi Imai,Toshiki Takeuchi,Hideo Sakaguchi
1147 42-50   2000
Numerical Computation of Attractors in Two-Phase Stefan Problems
Toshiki Takeuchi,Hitoshi Imai,Shewli Shamim Shanta,Naoyuki Ishimura
1145 220-228   2000
Numerical Simulation of One-Phase Stefan Problems in Arbitrary Precision
Tarmizi,Hitoshi Imai,Toshiki Takeuchi,Masahiro Kushida
1129 129-138   2000
On Multiple Precision Calculation of Eigenvalues and Eigenvectors of Matrices
Masahiro Kushida,Hitoshi Imai,Toshiki Takeuchi
NIFS-PROC   40 48-57   1999
Application of the Infinite-Precision Numerical Simulation to an Inverse Problem
Hitoshi Imai,Toshiki Takeuchi
NIFS-PROC   40 38-47   1999
On numerical simulation in arbitrary precision for partial differential equations
RIMS kokyaroku, Kyoto University   1(1040) 92-99   1998
Convergence of Fractal Dimensions of Attractors for the Simplified Magnetic Benard System
Hitoshi Imai,Naoyuki Ishimura,Masaaki Nakamura
Proceedings of Third China-Japan Seminar on Numerical Mathematics   73-81   1998
Numerical Analysis of a Free Boundary Problem Governed by a Hyperbolic Equation
Hitoshi Imai,Seiro Omata,Kazuaki Nakane,Koji Kikuchi
Proceedings of Third China-Japan Seminar on Numerical Mathematics   214-221   1998
Existence and Uniqueness of Quasiperiodic Solutions to Van der Pol Type Equations
Zulfikar Ali,Yoshitane Shinohara,Hitoshi Imai,Atsuhito Kohda,Kuniya Okamoto,Hideo Sakaguchi,Haruo Miyamoto
Journal of Mathematics, Tokushima University   31 69-80   1998
On High Precision Numerical Conputations to Free Boundary Problems
Hitoshi Imai,Yoshitane Shinohara,Makoto Natori,Weidong Zhou,Isamu Ohnishi,Yasumasa Nishiura
統計数理研究所共同リポート   105 129-142   1997
Numerical Simulation of Free Boundary Problems in Quadruple Precision Arithmetic Using Explicit Schemes
Hitoshi Imai,Yoshitane Shinohara,Makoto Natori,Weidong Zhou,Isamu Ohnishi,Yasumasa Nishiura
989 18-30   1997
Convergence of Attractors for Simplified Magnetic Benard System
Hitoshi Imai,Naoyuki Ishimura,Masaaki Nakamura
989 56-64   1997
Some Results on Behavior of Solutions to One-Phase Stefan Problems for a Semilinear Parabolic Equation
Toyohiko Aiki,Hitoshi Imai
1009 60-78   1997
Blow-Up Points to One Phase Stefan Problems with Dirichlet Boundary Conditions
Toyohiko Aiki,Hitoshi Imai
Proceedings of Modelling and Optimization of Distributed Parameter Systems Applications to Engineering   83-89   1996
On a Global Solution and a Blow-Up Solution to One-Phase Stefan Problem
Toyohiko Aiki,Hitoshi Imai
951 54-61   1996
Behaviour of Blow-Up Solutions to One-Phase Stefan Problems with Dirichlet Boundary Conditions
Toyohiko Aiki,Hitoshi Imai
Free Boundary Problems, Theory and Applications,Proceedings of the Zakopane Congress '95   3-15   1996
On Numerical Methods for a Free Boundary Problem Governed by a Hyperbolic Equation
Hitoshi Imai,Koji Kikuchi,Kazuaki Nakane,Seiro Omata,Tomomi Tachikawa
85 49-54   1996
Magnetic Benard System and its Simplified Model
Hitoshi Imai,Naoyuki Ishimura,Masaaki Nakamura
Lecture Notes in Numerical and Applied Analysis(Vol.14),Proceedings of the Second Japan-China Seminar on Numerical Mathematics   14 79-92   1995
On Validity of Application of the Fuzzy Theory and Spectral Collocation Methods to an Ill-Posed Shape Desigh Problem with a Free Boundary
Hitoshi Imai
72 216-223   1995
On Spectral Collocation Methods in Space and Time for Free Boundary Problems
Hitoshi Imai,Yoshitane Shinohara,Tsuyako Miyakoda
Computational Mechanics '95   1 798-803   1995
Existence and Uniqueness of Quasiperiodic Solutions to Quasiperiodic Nonlinear Differential Equations
Yoshitane Shinohara,Atsuhito Kohda,Hitoshi Imai
Numerical Analysis of Ordinary Differential Equations and its Applications,Proceedings of Kyoto Workshop on Numerical Analysis of ODEs   147-163   1995
Global Existence of Solutions to One-Phase Stefan Problems for Semilinear Parabolic Equations
Toyohiko Aiki,Hitoshi Imai
Technical Reports of Mathematical Sciences, Chiba University   11(11) 1-9   1995
Application of Spectral Collocation Methods in Space and Time to Free Boundary Problems
Hitoshi Imai,Yoshitane Shinohara,Tsuyako Miyakoda
Hellenic European Research on Mathematics and Informatics '94   2 781-786   1994
Application of the Fuzzy Theory and Spectral Collocation Methods to an Ill-Posed Shape Desigh Problem with a Free Boundary
Hitoshi Imai
Inverse Problems in Mechanics   ASME AMD-Vol.186 103-107   1994
On the Bifurcation Diagram of the Simplified Magnetic Benard Problem
Hitoshi Imai,Masaaki Nakamura
71-78   1993
An Application of the Fuzzy Theory for an Ill-Posed Problem
Hitoshi Imai,Akira Sasamoto,Hideo Kawarada,Makoto Natori
Inverse Problems in Engineering Mechanics: Proceedings of the IUTAM Symposium   31-38   1993
Adaptive Fuzzy Control for an Ill-Posed Problem
Hitoshi Imai,Hideo Kawarada,Makoto Natori
Inverse Problems,Proceedings of the International Conference on Computational Engineering Science   51-60   1993
自由表面の運動を陽に取り入れた熱対流モデルとその数値解法について
812 94-98   1992
体積変化と接触点の運動を考慮したステファン問題の数値解析
812 56-66   1992
性質の悪い形状設計問題へのファジィ理論の応用
92(46) 9-12   1992
A Practical Method for an Ill-Conditioned Optimal Shape Desigh of a Vessel in Which Plasma Is Confined
Akira Sasamoto,Hitoshi Imai,Hideo Kawarada
Inverse Problems in Engineering Sciences,ICM-90 Satellite Conference Proceedings   120-125   1991
体積変化を伴う凝固現象の数値解析
746 116-129   1991
動的計算格子制御について
744 78-84   1991
凝固現象における自由境界問題の数値解析
744 100-111   1991
偏微分方程式系へのファジィ制御の応用とその並列処理
Advances in Numerical Methods for Large Sparse Sets of Linear Equations   6 1-6   1990
The Parallel Processing in the Fuzzy Control System Governed by Partial Differential Equations
Hitoshi Imai,Makoto Natori,Lun Shan Gao,Hideo Kawarada
Technical Report, Institute of Information Sciences and Electronics, University of Tsukuba   ISE-TR-90-88 1-10   1990
An Optimum Data Reduction Algorithm for General Plane Curves
Sumiko Hiyama,Takao Hanada,Hitoshi Imai
Technical Report, Institute of Information Sciences and Electronics, University of Tsukuba   ISE-TR-90-87 1-23   1990
いくつかの自由境界問題とその数値解析
724 1-24   1990
A New Reorthogonalization in the Lanczos Algorithm
Makoto Natori,Hitoshi Imai,Eiji Kawamura
Advances in Numerical Methods for Large Sparse Sets of Linear Equations   5 38-43   1989
A Method to Find Bifurcation Points
Hitoshi Imai,Hideo Kawarada
Technical Reports of Mathematical Sciences, Chiba University   5(1) 1-18   1989
Numerical Simulation of Free Boundaries Appearing in Bingham Fluid
Masahiro Fukuda,Hitoshi Imai,Hideo Kawarada
Technical Reports of Mathematical Sciences, Chiba University   5(4) 1-13   1989
A Shape Design Problem of a Vessel in Which Plasma Is Confined
Hitoshi Imai,Akira Sasamoto,Hideo Kawarada
Technical Reports of Mathematical Sciences, Chiba University   5(7) 1-10   1989
Fuzzy Control of Systems Governed by Elliptic Partial Differential Equation
Lun Shan Gao,Hitoshi Imai,Hideo Kawarada
Technical Reports of Mathematical Sciences, Chiba University   5(8) 1-12   1989
A Method to Solve Drop Formation from a Capillary Jet
Hitoshi Imai,Hideo Kawarada,Daisuke Takahashi
Proceedings of the Fifth International Symposium on Numerical Methods in Engineering   2 515-518   1989
Global Structure of Bifurcation Appearing in the Equilibrium Plasma
Hitoshi Imai,Hideo Kawarada
Proceedings of the Fifth International Symposium on Numerical Methods in Engineering   2 519-524   1989
Approximation of the Shape of the 2-Dimensional Equilibrium Plasma in the Vessel Which Has an Arbitrary Cross Section
Hideo Kawarada,Toshio Sawaguri,Hitoshi Imai
Technical Reports of Mathematical Sciences, Chiba University   2(5) 1-13   1986
On the Asymmetric Configuration of the 2-Dimensional Equilibrium Plasma in the Vessel Which Has a Symmetric Cross Section
Hitoshi Imai
Technical Reports of Mathematical Sciences, Chiba University   2(6) 1-21   1986

Research Grants & Projects

 
Numerical simulation of free boundary problems
Research Support Activities for Life Science
Project Year: 1983   
Numerical simulation of chaotic phenomena
Research Support Activities for Life Science
Project Year: 1988   
Development of numerical methods
Research Support Activities for Life Science
Project Year: 1983   
Numerical Simulation of Inverse Problem
Research Support Activities for Life Science
Project Year: 1985