Rchr
J-GLOBAL ID：200901051067095342
Update date: Jan. 30, 2024
Ushijima Takeo
ウシジマ タケオ | Ushijima Takeo
Research field (2)：
Applied mathematics and statistics
, Basic mathematics
Research keywords (1)：
Applied Mathematics, Partial Differential Equation, Numerical Analysis
Research theme for competitive and other funds (10)：
- 2018 - 2023 A numerical study for complex blow-up solutions of nonlinear evolution equations
- 2007 - 2009 A study of direct methods for moving boundary problems and its applications
- 2007 - 2008 Nonlinear hyperbolic-parabolic singular perturbation
- 2005 - 2006 Asymptotic behavior for wave equations with damping term
- 2004 - 2006 自由境界問題と放物型偏微分方程式に現れる特異性の研究-その数値的再現と応用
- 2002 - 2003 非線形放物型偏微分方程式の解の特異性の解明
- 2002 - 2003 Research on the time global solutions for the partial differential equations of Kirchhoff type
- 2000 - 2002 Research on the Regularity of Solutions for Geometric Variational Problems
- 移動境界問題における直接法の研究
- Study on direct methods for moving boundary problems
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Papers (18)：
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Koichi Anada, Tetsuya Ishiwata, Takeo Ushijima. Upper estimates for blow-up solutions of a quasi-linear parabolic equation. Japan Journal of Industrial and Applied Mathematics. 2023
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Koichi Anada, Tetsuya Ishiwata, Takeo Ushijima. Asymptotic expansions of traveling wave solutions for a quasilinear parabolic equation. Japan Journal of Industrial and Applied Mathematics. 2022
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Okamoto, Shotaro and Negishi, Kohei and Toyama, Yuko and Ushijima, Takeo and Morohashi, Kengo. Leaf Trichome Distribution Pattern in Arabidopsis Reveals Gene Expression Variation Associated with Environmental Adaptation. Plants. 2020. 9. 7
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Yoichi Enatsu, Emiko Ishiwata, Takeo Ushijima. Traveling wave solution for a diffusive simple epidemic model with a free boundary. Discrete and Continuous Dynamical Systems-Series S. 2020. 14. 3. 835--850
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Koichi Anada, Tetsuya Ishiwata, Takeo Ushijima. A numerical method of estimating blow-up rates for nonlinear evolution equations by using rescaling algorithm. Japan Journal of Industrial and Applied Mathematics. 2018. 35. 1. 33-47
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MISC (3)：
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牛島 健夫, 矢崎 成俊. 泡の動きを視る (特集 現象を視る--〈現象数理科学〉への誘い). 数理科学. 2008. 46. 1. 18-22
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Takeo K. Ushijima, Hiroki Yagisita. On the convergence of a three-dimensional crystalline motion to Gauss curvature flow. 数理解析研究所講究録1481. 2006. 1481. 69-78
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牛島健夫, 矢崎成俊. Hele-Shawセル中を浮上する一つの泡のダイナミクスのシミュレーション. 数理解析研究所講究録. 2005. 1453. 73-84
Lectures and oral presentations (31)：
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Upper estimates for blow-up solutions of a quasi-linear parabolic equation
(2021 年度応用数学合同研究集会 2021)
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ある準線形放物型偏微分方程式の解の爆発について
(Critical Exponent and Nonlinear Partial Differential Equations 2021 2021)
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自己交差する閉曲線の曲線短縮問題に現れる曲率の爆発現象に関する一考察
(日本応用数理学会・2020年度年会 2020)
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移動境界を持つSIRモデルの進行波解について
(日本応用数理学会・2020年度年会 2020)
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自由境界を伴うある感染症モデルの進行波解について
(第31回さいたま数理解析セミナー 2020)
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Education (3)：
- - 1999 The University of Tokyo Graduate School, Division of Mathematical Sciences
- - 1999 The University of Tokyo Graduate School, Division of Mathematical Sciences
- - 1993 The University of Tokyo Faculty of Science
Professional career (2)：
- Master of Mathematical Science (The University of Tokyo)
- PhD. of Mathematical Science (The University of Tokyo)
Work history (1)：
- 1999 - 2001 Hokkaido University, Meme-media Laboratory
Committee career (3)：
- 2017/04/01 - 2020/03/31 応用数理学会 学会誌及び論文誌の編集者
- 2004/07 - 2006/06 Mathematical Society of Japan Editor
- 2004/07 - 2006/06 Mathematical Society of Japan Editor
Association Membership(s) (2)：
Mathematical Society of Japan
, The Japan Society for Industrial and Applied Mathematics
