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基本情報
| 氏名 |
鬼塚 政一 |
| 氏名（カナ） |
ｵﾆﾂｶ ﾏｻｶｽﾞ |
| 氏名（英語） |
Onitsuka Masakazu |
| 所属 |
理学部 応用数学科 |
| 職名 |
准教授 |
| researchmap研究者コード |
6000023220 |
| researchmap機関 |
岡山理科大学 |
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- 2024/02/Ulam type stability for von Bertalanffy growth model with Allee effect/M. Kondo and M. Onitsuka/Joint Author/Mathematical Biosciences and Engineering
- 2024/01/Ulam stability for third-order linear differential equations with variable coefficients/M. Onitsuka/Sole Author/Mediterranean Journal of Mathematics
- 2024/01/Generalized Caputo-Fabrizio fractional differential equation/M. Onitsuka and Iz. El-Fassi/Joint Author/Journal of Applied Analysis and Computation
- 2023/10/Ulam type stabilities of $n$-th order linear differential equations using Gronwall's inequality/A. Ponmana Selvan and M. Onitsuka/Joint Author/Results in Mathematics
- 2023/09/Ulam stability and instability of first-order linear $1-$periodic and $2-$periodic dynamic equations on isolated time scales/D. R. Anderson and M. Onitsuka/Joint Author
- 2023/06/A new hyperstability result for the multi-Drygas equation via the Brzd\k{e}k's fixed point approach/Iz. EL-Fassi, A. Najati, M. Onitsuka and T. M. Rassias/Results in Mathematics
- 2023/03/Approximation of limit cycle of differential systems with variable coefficients/M. Onitsuka/Sole Author/Archivum Mathematicum (Brno)
- 2023/01/Equilibrium stability for the discrete diamond-alpha operator/D. R. Anderson and M. Onitsuka/Joint Author/Bulletin of the Malaysian Mathematical Sciences Society
- 2022/09/On approximate solutions of a class of Clairaut's equations/M. Onitsuka and Iz. El-Fassi/Joint Author/Applied Mathematics and Computation
- 2022/06/Hyers-Ulam stability for differential systems with $2\times 2$ constant coefficient matrix/D. R. Anderson and M. Onitsuka/Joint Author/Results in Mathematics
- 2022/05/Ulam stability for second-order linear differential equations with three variable coefficients/M. Onitsuka/Sole Author/Results in Applied Mathematics
- 2022/01/Conditional Ulam stability and its application to von Bertalanffy growth model/M. Onitsuka/Sole Author/Mathematical Biosciences and Engineering
- 2021/12/Instability of second-order nonhomogeneous linear difference equations with real-valued coefficients/M. Onitsuka/Sole Author/Carpathian Journal of Mathematics
- 2021/12/Conditional Ulam stability and its application to the logistic model/M. Onitsuka/Sole Author/Applied Mathematics Letters
- 2021/12/Ulam stability for nonautonomous quantum equations/D. R. Anderson and M. Onitsuka/Joint Author/Journal of Inequalities and Applications
- 2021/12/Hyers-Ulam stability for second order linear differential equations of Carath\'eodory type/M. Onitsuka/Sole Author/Journal of Mathematical Inequalities
- 2021/12/Best Hyers--Ulam stability constants on a time scale with discrete core and continuous periphery,/D. R. Anderson and M. Onitsuka/Joint Author/Nonlinear Analysis, Differential Equations and Applications, Springer Optimization and Its Applications
- 2021/09/Hyers-Ulam stability of second-order linear dynamic equations on time scales/D. R. Anderson and M. Onitsuka/Joint Author/Acta Mathematica Scientia. Series B. English Edition
- 2021/08/Hyers-Ulam stability for Cayley quantum equations and its application to $h$-difference equations/D. R. Anderson and M. Onitsuka/Joint Author/Mediterranean Journal of Mathematics
- 2021/04 Best constant for Hyers-Ulam stability of two step sizes linear difference equations D. R. Anderson and M. Onitsuka Journal of Mathematical Analysis and Applications
- 2021/04/Hyers-Ulam stability for quantum equations/D. R. Anderson and M. Onitsuka/Joint Author/Aequationes mathematicae
- 2021/03 Rectifiability of orbits for two-dimensional nonautonomous differential systems M. Onitsuka and S. Tanaka Electronic Journal of Qualitative Theory of Differential Equations
- 2021/01 Perturbations of planar quasilinear differential systems K. Itakura, M. Onitsuka and S. Tanaka Journal of Differential Equations
- 2020/12 Hyers-Ulam-Rassias stability of first-order homogeneous linear difference equations with a small step size K. Manabe and M. Onitsuka The Bulletin of the Okayama University of Science
- 2020/11 Best constant for Ulam stability of first-order h-difference equations with periodic coefficient D. R. Anderson, M. Onitsuka and J. M. Rassias Journal of Mathematical Analysis and Applications
- 2020/10 Best constant for Ulam stability of Hill's equations R. Fukutaka and M. Onitsuka Bulletin des Sciences Mathematiques
- 2020/06 Hyers-Ulam stability for quantum equations D. R. Anderson and M. Onitsuka Aequationes mathematicae
- 2020/05 Hyers-Ulam stability for quantum equations of Euler type D. R. Anderson and M. Onitsuka Discrete Dynamics in Nature and Society
- 2020/03 Hyers-Ulam stability and best constant for Cayley h-difference equations D. R. Anderson and M. Onitsuka Bulletin of the Malaysian Mathematical Sciences Society
- 2020/02 A necessary and sufficient condition for Hyers-Ulam stability of first-order periodic linear differential equations R. Fukutaka and M. Onitsuka Applied Mathematics Letters
- 2020/01 Hyers-Ulam stability of second-order nonhomogeneous linear difference equations with a constant stepsize M. Onitsuka Journal of Computational Analysis and Applications
- 2019/12 Hyers-Ulam stability of a discrete diamond-alpha derivative equation D. R. Anderson and M. Onitsuka Frontiers in Functional Equations and Analytic Inequalities
- 2019/12 Ulam stability for a class of Hill's equations R. Fukutaka and M. Onitsuka Symmetry
- 2019/07 Best constant for Hyers-Ulam stability of second-order h-difference equations with constant coefficients D. R. Anderson and M. Onitsuka Results in Mathematics
- 2019/05 Best constant in Hyers-Ulam stability of first-order homogeneous linear differential equations with a periodic coefficient R. Fukutaka and M. Onitsuka Journal of Mathematical Analysis and Applications
- 2019/04 Hyers-Ulam stability of first order linear differential equations of Caratheodory type and its application M. Onitsuka Applied Mathematics Letters
- 2019/03 Hyers-Ulam stability for a discrete time scale with two step sizes D. R. Anderson and M. Onitsuka Applied Mathematics and Computation
- 2018/09 Hyers-Ulam stability of first-order homogeneous linear dynamic equations on time scales D. R. Anderson and M. Onitsuka Demonstratio Mathematica
- 2018/04 Integral averaging technique for oscillation of damped half-linear oscillators Y. Enaka and M. Onitsuka Czechoslovak Mathematical Journal
- 2018/03 Hyers-Ulam stability of first-order nonhomogeneous linear difference equations with a constant stepsize M. Onitsuka Applied Mathematics and Computation
- 2018/01 Box-counting dimension of solution curves for a class of two-dimensional nonautonomous linear differential systems M. Onitsuka and S. Tanaka Mathematical Communications
- 2017/11 On the exponential stability of two-dimensional nonautonomous difference systems which have a weighted homogeneity of the solution M. Onitsuka Advances in Difference Equations and Discrete Dynamical Systems, Springer Proceedings in Mathematics & Statistics book series
- 2017/08 Characteristic equation for autonomous planar half-linear differential systems M. Onitsuka and S. Tanaka Acta Mathematica Hungarica
- 2017/08 Influence of the stepsize on Hyers-Ulam stability of first-order homogeneous linear difference equations M. Onitsuka International Journal of Difference Equations
- 2017/04 Rectifiability of solutions for a class of two-dimensional linear differential systems M. Onitsuka and S. Tanaka Mediterranean Journal of Mathematics
- 2017/01 Hyers-Ulam stability of first-order homogeneous linear differential equations with a real-valued coefficient M. Onitsuka and T. Shoji Applied Mathematics Letters
- 2015/05 Uniform asymptotic stability implies exponential stability for nonautonomous half-linear differential systems M. Onitsuka and T. Soeda Advances in Difference Equations
- 2014/06 Attractivity and stability for nonautonomous half-linear differential systems 鬼塚 政一 数理解析研究所講究録
- 2014/03 Growth conditions for uniform asymptotic stability of damped oscillators J. Sugie and M. Onitsuka Nonlinear Analysis
- 2012/03 Uniform asymptotic stability for two-dimensional linear systems whose anti-diagonals are allowed to change sign 鬼塚 政一 数理解析研究所講究録
- 2011/10 Uniform asymptotic stability for damped linear oscillators with variable parameters M. Onitsuka Applied Mathematics and Computation
- 2011/09 Asymptotic stability for quasi-linear systems whose linear approximation is not assumed to be uniformly attractive J. Sugie, Y. Ogami, M. Onitsuka Annali di Matematica Pura ed Applicata
- 2011/09 Uniform global asymptotic stability for half-linear differential systems with time-varying coefficients M. Onitsuka, J. Sugie Proceedings of the Royal Society of Edinburgh Sect A
- 2010/11 Global attractivity for half-linear differential systems with periodic coefficients J. Sugie, S. Hata, M. Onitsuka Journal of Mathematical Analysis and Applications
- 2010/02 Integral conditions on the uniform asymptotic stability for two-dimensional linear systems with time-varying coefficients J. Sugie, M. Onitsuka Proceedings of the American Mathematical Society
- 2010/02 Non-uniform asymptotic stability for the damped linear oscillator M. Onitsuka Nonlinear Analysis
- 2008/12 Global asymptotic stability for half-linear differential systems with coefficients of indefinite sign J. Sugie, M. Onitsuka Archivum Mathematicum(Brno)
- 2008/02 Asymptotic stability and uniform asymptotic stability for second-order linear differential equations with damping 鬼塚 政一 数理解析研究所講究録
- 2007/12 Global asymptotic stability for damped half-linear differential equations J. Sugie, M. Onitsuka Acta Scientiarum Mathematicarum (Szeged)
- 2007/08 Asymptotic behavior of solutions of nonautonomous half-linear differential systems J. Sugie, M. Onitsuka, A. Yamaguchi Studia Scientiarum Mathematicarum Hungarica
- 2007/04 Global asymptotic stability for half-linear differential equations with bounded coefficients 鬼塚 政一, 杉江 実郎 数理解析研究所講究録
- 2006/06 A non-oscillation theorem for nonlinear differential equations with p-Laplacian J. Sugie, M. Onitsuka Proceedings of the Royal Society of Edinburgh Sect A
- 2006/02 Asymptotic behavior of solutions of half-linear differential equations with variable coefficients 杉江 実郎, 山口 亜矢, 鬼塚 政一 数理解析研究所講究録
- 2005/07 Global phase portraits of planar autonomous half-linear systems 鬼塚 政一, 山口 亜矢, 杉江 実郎 解析研究所講究録
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- 2019/06 Hyers-Ulam stability and best constant for second-order linear difference equations M. Onitsuka The 25th International Conference on Difference Equations and Applications
- 2019/06 Hyers-Ulam stability for first-order linear differential equations with periodic coefficient M. Onitsuka The 11th Colloquium on the Qualitative Theory of Differential Equations
- 2019/03 Hyers-Ulam stability of second-order linear difference equations with constant coefficients 鬼塚 政一 日本数学会2019年度年会
- 2019/03 ダイヤモンドアルファ差分方程式におけるウラム安定性 鬼塚 政一 RIMS 共同研究（グループ型）「常微分方程式の手法による非線形問題の探求」
- 2019/01 1階周期線形微分方程式に対する Hyers－Ulam 安定性と最小のHUS定数 福髙 龍馬, 鬼塚 政一 日本数学会中国・四国支部例会
- 2019/01 ２次元半分線形系の摂動について 板倉 健太, 鬼塚 政一, 田中 敏 日本数学会中国・四国支部例会
- 2018/12 周期係数をもつ1階同次線形微分方程式の Hyers－Ulam 安定性と最良定数 福髙 龍馬, 鬼塚 政一 第五回ODE若手セミナー
- 2018/11 Hyers-Ulam stability for periodic linear differential equations of first order R. Fukutaka, M. Onitsuka Japan-China Joint Workshop on Differential and Difference Equations and Related Topics in Osaka 2018
- 2018/07 Best constant in Hyers-Ulam stability of first-order nonhomogeneous linear difference equations with a constant stepsize M. Onitsuka The 12th AIMS Conference on Dynamical Systems, Differential Equations and Applications
- 2018/03 1階非同次線形差分方程式の Hyers－Ulam 安定性と刻み幅の関係 鬼塚 政一 RIMS 共同研究（グループ型）「非線形問題への常微分方程式の手法によるアプローチ」
- 2018/03 Box dimension of solution curves for a class of two-dimensional linear differential systems 鬼塚 政一, 田中 敏 日本数学会2018年度年会
- 2018/03 Characteristic equation for autonomous planar half-linear differential systems 田中 敏, 鬼塚 政一 日本数学会2018年度年会
- 2018/01 変数係数をもつ 1 階非同次線形微分方程式の Hyers－Ulam 安定性 福高 龍馬, 鬼塚 政一 日本数学会中国・四国支部例会
- 2018/01 微小な刻み幅をもつ 1 階同次線形差分方程式の Aoki－Rassias 安定性 眞鍋 佳菜子, 鬼塚 政一 日本数学会中国・四国支部例会
- 2017/12 1階同次線形差分方程式の刻み幅が Hyers－Ulam 安定性に与える影響 鬼塚 政一, 眞鍋 佳菜子 第四回ODE若手セミナー
- 2017/12 2次元定数係数線形差分方程式系の原点の幾何学的分類 谷本 陽輝, 鬼塚 政一 第四回ODE若手セミナー
- 2017/12 時変係数をもつ1階非同次線形微分方程式の Hyers－Ulam 安定性 福高 龍馬, 鬼塚 政一 第四回ODE若手セミナー
- 2017/09 Best constant in Hyers-Ulam stability of first-order nonhomogeneous linear difference equations M. Onitsuka Japan-China Joint Workshop on Ordinary Differential Equations and Related Topics in Osaka 2017
- 2017/07 On the Hyers-Ulam stability of first-order nonhomogeneous linear difference equations M. Onitsuka The 17th International Conference on Functional Equations and Inequalities
- 2017/06 Integral Average Conditions for Oscillation of Damped Half-linear Differential Equations M. Onitsuka International Conference on Differential & Difference Equations and Applications 2017
- 2017/01 １階同次線形微分方程式の Hyers-Ulam 安定性とその非同次方程式への応用 障子朋宏, 鬼塚 政一 日本数学会中国・四国支部例会
- 2016/07 On the Hyers-Ulam stability of a first-order linear difference equation M. Onitsuka and T. Shoji The International Conference on Difference Equations and Applications
- 2016/07 Uniform asymptotic stability and exponential stability for a high-dimensional half-linear differential system M. Onitsuka The 11th AIMS Conference on Dynamical Systems, Differential Equations and Applications
- 2016/06 Converse theorems on exponential stability for two-dimensional half-linear differential systems M. Onitsuka 微分方程定性理論与生物-医学中的応用
- 2016/03 相平面上における２次元線形系の解軌道の有限長・無限長について 鬼塚 政一, 田中 敏 第8回STM(Satyric Math.)ワークショップ － in 岡山
- 2016/02 2次元線形微分方程式系の解の有限長・無限長・吸収性について 鬼塚 政一 微分方程式論ワークショップ-岐阜2016
- 2016/01 Besselの微分方程式におけるHyers-Ulam安定性 障子 朋宏, 鬼塚 政一 日本数学会中国・四国支部例会
- 2016/01 偶数次元非線形系に対する振動定理と半分線形系への応用 江中 幸秀, 鬼塚 政一 日本数学会中国・四国支部例会
- 2016/01 高次元半分線形系における一様漸近安定性と指数安定性の同値関係 添田 友美, 鬼塚 政一 日本数学会中国・四国支部例会
- 2016/01 高次元半分線形系における種々の安定性と有界性 川野 紘典, 鬼塚 政一 日本数学会中国・四国支部例会
- 2015/11 Converse theorems on exponential stability for nonautonomous half-linear differential systems M. Onitsuka RIMS研究集会「実領域における常微分方程式の定性的研究」
- 2015/11 On the uniform asymptotic stability and exponential stability for nonautonomous half-linear differential systems T. Soeda, M. Onitsuka Mini-Workshop on Differential Equations in Osaka 2015
- 2015/09 2次元半分線形微分方程式系の一様漸近安定性及び大域的指数安定性 鬼塚 政一 日本数学会2015年度秋季総合分科会
- 2015/09 Does uniform asymptotic stability imply exponential stability for two-dimensional half-linear differential systems? T. Soeda, M. Onitsuka Japan-China Joint Workshop on Ordinary Differential Equations and Related Topics in Osaka 2015
- 2015/09 Stability and boundedness of two-dimensional half-linear differential systems K. Kawano, M. Onitsuka Japan-China Joint Workshop on Ordinary Differential Equations and Related Topics in Osaka 2015
- 2015/09 半分線形減衰振動子の積分平均条件による振動定理 江中 幸秀, 鬼塚 政一 名古屋大学における微分方程式セミナー（微分方程式セミナー通算第３８回）
- 2015/09 半分線形非自励系における一様漸近安定性及び指数漸近安定性の同値関係 添田 友美, 鬼塚 政一 名古屋大学における微分方程式セミナー（微分方程式セミナー通算第３８回
- 2015/09 高次元半分線形非自励系の安定性と有界性の間に成立する同値関係 川野 紘典, 鬼塚 政一 名古屋大学における微分方程式セミナー（微分方程式セミナー通算第３８回）
- 2015/08 Uniform asymptotic stability implies exponential stability for two-dimensional half-linear difference systems M. Onitsuka 講演会
- 2015/07 Uniform asymptotic stability and exponential stability for two-dimensional half-linear difference systems M. Onitsuka The International Conference on Difference Equations and Applications
- 2015/03 ２次元半分線形非自励系の指数安定性と厳密リヤプノフ関数 鬼塚 政一 第7回STM(Satyric Math.)ワークショップ － in 岡山
- 2015/01 半分線形減衰振動子の積分平均条件による振動判定法 江中 幸秀, 鬼塚 政一 日本数学会中国・四国支部例会
- 2015/01 解空間に重み付き同次性を有する２次元非自励系の一様漸近安定性と指数安定性 添田 友美, 鬼塚 政一 日本数学会中国・四国支部例会
- 2015/01 解空間に重み付き同次性を有する２次元非自励系の安定性と有界性の同値関係 川野 紘典, 鬼塚 政一 日本数学会中国・四国支部例会
- 2014/07 Uniform asymptotic stability implies exponential stability for half-linear differential systems with time-varying coefficients M. Onitsuka The 10th AIMS Conference on Dynamical Systems
- 2014/03 減衰線形振動子の一様漸近安定性に対する離散的条件 杉江 実郎, 鬼塚 政一 日本数学会2014年度年会
- 2013/11 非自励半分線形系の吸収性と安定性 (Attractivity and stability for nonautonomous half-linear differential systems) 鬼塚 政一 RIMS研究集会「常微分方程式の定性的理論の新展開」
- 2013/09 変数係数をもつ2次元半分線形系の吸収性と同程度吸収性 鬼塚 政一 岡山理科大学における微分方程式セミナー（通算第３６回）
- 2013/09 ２次元非自励半分線形系の吸収性と安定性 鬼塚 政一 日本数学会2013年度秋季総合分科会
- 2013/08 Attractivity implies stability for half-linear differential systems with time-varying coefficients M. Onitsuka Equadiff13
- 2013/03 ２次元半分線形系における同程度吸収性は安定性を保証するか？ 鬼塚 政一 関数方程式の定性的理論ワークショップ
- 2013/02 振動理論ワークショップ - 松山 2013 鬼塚 政一 ２階半分線形微分方程式の吸収性と安定性について
- 2013/01 ２階半分線形微分方程式の同程度吸収性と安定性における包含関係 鬼塚 政一 日本数学会中国・四国支部例会
- 2012/12 Uniform asymptotic stability for two-dimensional linear systems with variable parameters M. Onitsuka International Conference on the Theory, Methods and Applications of Nonlinear Equations
- 2012/12 ２次元非自励線形系の一様漸近安定性について 鬼塚 政一 微分方程式の総合的研究
- 2012/11 On the uniform asymptotic stability for two-dimensional linear nonautonomous differential systems M. Onitsuka International Workshop Handayama Differential Equation Seminar
- 2012/09 有界時変関数を減衰係数として持つ線形減衰振動子の漸近安定性 鬼塚 政一 愛知教育大学における微分方程式セミナー
- 2012/07 2階線形微分方程式の摩擦係数が漸近安定性と一様漸近安定性に与える影響 鬼塚 政一 なかもず解析セミナー
- 2012/03 係数を定符号に限らない2次元線形系の一様漸近安定性 鬼塚 政一 微分方程式の定性的理論ワークショップ
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