Isojima Shin

イソジマシン | Isojima Shin

Affiliation and department：
Job title： Professor

Research field (2)： Mathematical physics and basic theory , Mathematical analysis

Research keywords (6)： Ultradiscretization , Cellular automaton , Integrable systems , 超離散化 , セルオートマトン , 可積分系

Research theme for competitive and other funds (3)：

2022 - 2027 Construction of basic theory for ultradiscrete sytems with parity variables
2014 - 2018 符号付き超離散化法の確立と可積分系への応用
2009 - 2013 超離散化法による可積分セルオートマトンの解析と非可積分系への応用

Papers (43)：

ISOJIMA, Shin and SUZUKI, Seiichiro. Phase plane analysis for p-ultradiscrete system: infinite types of branching conditions. RIMS Kôkyûroku Bessatsu. 2023. B94. 65-83
Shin Isojima. Indeterminate solutions of the p-ultradiscrete equation and leading term analysis. Japan J. Indust. Appl. Math. 2023. 40. 2. 1341-1353
Shin Isojima and Seiichiro Suzuki. Ultradiscrete hard-spring equation and its phase plane analysis. Japan J. Indust. Appl. Math. 2023. 40. 2. 1083-1105
Shin Isojima and Seiichiro Suzuki. "A discrete logarithmic function and Lyapunov function". JSIAM Letters. 2022. 14. 139-142
Shin Isojima and Seiichiro Suzuki. ``Ultradiscrete analogue of the van der Pol equation''. Nonlinearity. 2022. 35. 3. 1468

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MISC (1)：

Books (5)：

Lectures and oral presentations (46)：

離散対数関数とリャプノフ関数について
(日本応用数理学会 2022年度年会 2022)
Analysis for an ultradiscrete system with parity variables by transition diagrams
(2022)
粗視化遷移図による符号付き非線形バネ方程式の解析
(日本応用数理学会第18回研究部会連合発表会 2022)
On solutions of ultradiscrete system with parity variables and leading term of solutions for discrete system
(2022)
粗視化遷移図による符号付き非線形バネ方程式の解析
(研究集会「非線形波動と可積分系」 2021)

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Works (2)：

Education (2)：

2002 - 2005 The University of Tokyo Graduate School, Division of Mathematical Sciences 数理科学専攻
2002 - 2005 The University of Tokyo Graduate School, Division of Mathematical Sciences 数理科学専攻

Professional career (1)：

Work history (5)：

Committee career (5)：

2023/06 - 日本応用数理学会理事
2019/11 - 2021/03 日本応用数理学会 2021年連合発表会実行委員会
2018/04/01 - 2020/03/31 The Japan Society for Industrial and Applied Mathematics Chief of the activity group of Applied Integrable Systems
2018/04 - 2020/03 The Japan Society for Industrial and Applied Mathematics Chief of the activity group of Applied Integrable Systems
2010/10 - 日本応用数理学会応用可積分系研究部会委員

Association Membership(s) (2)：

The Japan Society for Industrial and Applied Mathematics , The Mathematical Society of Japan

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