Onitsuka Masakazu 鬼塚政一

… Alternative Names

ONITSUKA MASAKAZU 鬼塚政一

ONITSUKA Masakazu 鬼塚政一

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Researcher Number	20548367
Other IDs
Affiliation (Current)	2025: 岡山理科大学, 理学部, 准教授
Affiliation (based on the past Project Information) *help	2018 – 2025: 岡山理科大学, 理学部, 准教授 2016 – 2017: 岡山理科大学, 理学部, 講師 2012 – 2013: 岡山理科大学, 理学部, 講師 2011: 都城工業高等専門学校, 一般科目, 講師 2011: 都城工業高等専門学校, 一般科目理科, 講師
Review Section/Research Field	Principal Investigator Basic Section 12020:Mathematical analysis-related / Basic Section 12010:Basic analysis-related / Mathematical analysis / Basic analysis Except Principal Investigator Mathematical analysis / Basic analysis / Global analysis
Keywords	Principal Investigator ウラム安定性 / 数理モデル / 常微分方程式 / 条件付きウラム安定性 / 有限長性とフラクタル次元 / リヤプノフ安定性と振動性 / 定性的研究 / 擬軌道尾行性 / 有限長性 / 漸近挙動 … More / 微分方程式 / q-差分方程式 / h-差分方程式 / ダイヤモンドアルファ差分方程式 / rectifiability / oscillation / Lyapunov stability / Ulam stability / differential equation / difference equation / diamond-alpha / 解析学 / 関数方程式論 / 刻み幅 / 線形差分方程式 / ボックス次元 / HUS定数 / ハイヤーズ－ウラム安定性(HUS) / 摂動問題 / ウラム定数 / 安定性理論 / 2次元系 / フラクタル解析 / リヤプノフの方法 / 一様漸近安定性 / 漸近安定性 / 半分線形振動子 / 線形振動子 / 相平面解析 / リヤプノフの直接法 / 安定性 / 不安定性 / 非自励系 / 関数方程式 … More Except Principal Investigator 大域的漸近安定性 / 国際研究者交流 / 優線形系 / 船舶の自由横揺れ / 半分線形系 / 相平面解析 / 関数方程式論 / 中国：チェコ / 水中の運動 / 中国 / 振動理論 / 中華人民共和国 / 連成振動子 / 振動性理論 / 安定性理論 / 楕円型偏微分方程式 / 生態系モデル / 半分線形微分方程式 / 差分方程式 / 振動性 / 一様漸近安定性 / 減衰振動子 / スペクトル解析 / フロッケ理論 / 韓国:中国 / ハミルトン系 / 相空間解析 / 韓国：中国 / 極限閉軌道 / 概周期関数 / 優線形振動子 / 漸近安定性 / 連分数展開 / ジーゲル円板 / 複素力学系 Less

最良定数を用いたウラム安定性の定量化と価値創造Principal Investigator
- Principal Investigator
  
  鬼塚政一
- Project Period (FY)
  2025 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 12020:Mathematical analysis-related
- Research Institution
  Okayama University of Science
A new departure for qualitative theory of diamond-alpha difference equationsPrincipal Investigator
- Principal Investigator
  
  Onitsuka Masakazu
- Project Period (FY)
  2020 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 12010:Basic analysis-related
- Research Institution
  Okayama University of Science
Construction of stability theory of ordinary differential systems by fractal analysisPrincipal Investigator
- Principal Investigator
  
  Onitsuka Masakazu
- Project Period (FY)
  2017 – 2020
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Mathematical analysis
- Research Institution
  Okayama University of Science
Elucidation of global dynamics for damped oscillators and dissipative wave equations and its application to biology
- Principal Investigator
  
  Sugie Jitsuro
- Project Period (FY)
  2013 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Mathematical analysis
- Research Institution
  Shimane University
Construction of the instability theory of two-dimensional nonautonomous systems and its applicationPrincipal Investigator
- Principal Investigator
  
  ONITSUKA Masakazu
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Basic analysis
- Research Institution
  Okayama University of Science
  Miyakonojo National College of Technology
New construction of phase space analysis that conforms to low-dimensional dynamical systems
- Principal Investigator
  
  SUGIE Jitsuro
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Basic analysis
- Research Institution
  Shimane University
Elucidation of the boundary of various Siegel disks influenced by continued fraction expansions
- Principal Investigator
  
  KATAGATA Koh
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Global analysis
- Research Institution
  Ichinoseki National College of Technology

[Book] 例題で学ぶはじめての微分方程式2024
- Author(s)
  鬼塚政一、榊原航也、濱谷義弘
- Total Pages
  208
- Publisher
  培風館
- ISBN
  9784563011734
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Best Ulam constants for damped linear oscillators with variable coefficients2025
- Author(s)
  Anderson Douglas R.、Onitsuka Masakazu、O'Regan Donal
- Journal Title
  
  Journal of Mathematical Analysis and Applications
  
  Volume: 543 Issue: 2 Pages: 128908-128908
- DOI
  10.1016/j.jmaa.2024.128908
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] (L^p, L^q) Hyers-Ulam stability2025
- Author(s)
  Dragicevic Davor、Onitsuka Masakazu
- Journal Title
  
  Evolution Equations and Control Theory
  
  Volume: 14 Issue: 5 Pages: 1040-1054
- DOI
  10.3934/eect.2025024
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Leighton-Wintner-type oscillation theorem for the discrete p(k)-Laplacian2025
- Author(s)
  Fujimoto Kodai、Ishibashi Kazuki、Onitsuka Masakazu
- Journal Title
  
  Applied Mathematics Letters
  
  Volume: 163 Pages: 109465-109465
- DOI
  10.1016/j.aml.2025.109465
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K03668, KAKENHI-PROJECT-22K13933, KAKENHI-PROJECT-22K13942
[Journal Article] A discrete logistic model with conditional Hyers?Ulam stability2025
- Author(s)
  Anderson Douglas R.、Department of Mathematics, Concordia College, Moorhead, MN 56562, USA、Onitsuka Masakazu、Department of Applied Mathematics, Okayama University of Science, Okayama 700-0005, Japan
- Journal Title
  
  AIMS Mathematics
  
  Volume: 10 Issue: 3 Pages: 6512-6545
- DOI
  10.3934/math.2025298
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] A new representation for the solution of the Richards‐type fractional differential equation2024
- Author(s)
  EL‐Fassi Iz‐iddine、Nieto Juan J.、Onitsuka Masakazu
- Journal Title
  
  Mathematical Methods in the Applied Sciences
  
  Volume: 48 Issue: 2 Pages: 1519-1529
- DOI
  10.1002/mma.10394
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Best Ulam constants for two‐dimensional nonautonomous linear differential systems2024
- Author(s)
  Anderson Douglas R.、Onitsuka Masakazu、O'Regan Donal
- Journal Title
  
  Mathematische Nachrichten
  
  Volume: 297 Issue: 9 Pages: 3470-3500
- DOI
  10.1002/mana.202300357
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] GENERALIZED CAPUTO-FABRIZIO FRACTIONAL DIFFERENTIAL EQUATION2024
- Author(s)
  Onitsuka Masakazu、EL-Fassi Iz-iddine
- Journal Title
  
  Journal of Applied Analysis & Computation
  
  Volume: 14 Issue: 2 Pages: 964-975
- DOI
  10.11948/20230221
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Hyers-Ulam Stability for a Type of Discrete Hill Equation2024
- Author(s)
  Anderson Douglas R.、Onitsuka Masakazu
- Journal Title
  
  Results in Mathematics
  
  Volume: 79 Issue: 2
- DOI
  10.1007/s00025-023-02097-w
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Leighton--Wintner type oscillation criteria for second-order differential equations with <a:math xmlns:a="http://www.w3.org/1998/Math/MathML"> <a:mi>p</a:mi> <a:mo stretchy="false">(</a:mo> <a:mi>t</a:mi> <a:mo stretchy="false">)</a:mo></a:math>-Laplacian2024
- Author(s)
  Fujimoto Kodai、Onitsuka Masakazu
- Journal Title
  
  Electronic Journal of Qualitative Theory of Differential Equations
  
  Volume: 2024 Issue: 19 Pages: 1-9
- DOI
  10.14232/ejqtde.2024.1.19
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K13942, KAKENHI-PROJECT-20K03668
[Journal Article] Influence of nonlinearity to box-counting dimensions of spiral orbits for two-dimensional differential systems2024
- Author(s)
  Masakazu Onitsuka, Satoshi Tanaka
- Journal Title
  
  Bulletin des Sciences Mathematiques
  
  Volume: 192 Pages: 103417-103417
- DOI
  10.1016/j.bulsci.2024.103417
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K03595, KAKENHI-PROJECT-20K03668
[Journal Article] Ulam type stability for von Bertalanffy growth model with Allee effect2024
- Author(s)
  Kondo Masumi、Onitsuka Masakazu
- Journal Title
  
  Mathematical Biosciences and Engineering
  
  Volume: 21 Issue: 3 Pages: 4698-4723
- DOI
  10.3934/mbe.2024206
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Approximate solutions of generalized logistic equation2024
- Author(s)
  Onitsuka Masakazu
- Journal Title
  
  Discrete and Continuous Dynamical Systems - B
  
  Volume: 29 Issue: 11 Pages: 4505-4526
- DOI
  10.3934/dcdsb.2024053
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Approximation of limit cycle of differential systems with variable coefficients2023
- Author(s)
  M. Onitsuka
- Journal Title
  
  Archivum Mathematicum (Brno)
  
  Volume: 59 Issue: 1 Pages: 85-97
- DOI
  10.5817/am2023-1-85
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Ulam Type Stabilities of n-th Order Linear Differential Equations Using Gronwall’s Inequality2023
- Author(s)
  Ponmana Selvan A.、Onitsuka M.
- Journal Title
  
  Results in Mathematics
  
  Volume: 78 Issue: 5
- DOI
  10.1007/s00025-023-01975-7
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] A new hyperstability result for the multi-Drygas equation via the Brzdek's fixed point approach2023
- Author(s)
  Iz. EL-Fassi, A. Najati, M. Onitsuka and T. M. Rassias
- Journal Title
  
  Results in Mathematics
  
  Volume: 78 Issue: 3
- DOI
  10.1007/s00025-023-01862-1
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Ulam Stability for Third-Order Linear Differential Equations with Variable Coefficients2023
- Author(s)
  Onitsuka Masakazu
- Journal Title
  
  Mediterranean Journal of Mathematics
  
  Volume: 21 Issue: 1
- DOI
  10.1007/s00009-023-02543-7
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Conditional Lipschitz shadowing for ordinary differential equations2023
- Author(s)
  L. Backes, D. Dragicevic, M. Onitsuka and M. Pituk
- Journal Title
  
  Journal of Dynamics and Differential Equations
  
  Volume: オンライン上で出版 Issue: 4 Pages: 3535-3552
- DOI
  10.1007/s10884-023-10246-6
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Equilibrium stability for the discrete diamond-alpha operator2023
- Author(s)
  D. R. Anderson and M. Onitsuka
- Journal Title
  
  Bulletin of the Malaysian Mathematical Sciences Society
  
  Volume: 46:15 Issue: 1
- DOI
  10.1007/s40840-022-01417-7
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Ulam stability and instability of first-order linear 1- and 2-periodic dynamic equations on isolated time scales2023
- Author(s)
  Anderson Douglas R.、Onitsuka Masakazu
- Journal Title
  
  Dynamic Calculus and Equations on Time Scales, De Gruyter
  
  Volume: - Pages: 147-174
- DOI
  10.1515/9783111182971-003
- ISBN
  9783111182971
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Hyers-Ulam stability for differential systems with 2×2 constant coefficient matrix2022
- Author(s)
  D. R. Anderson and M. Onitsuka
- Journal Title
  
  Results in Mathematics
  
  Volume: 77 Issue: 3
- DOI
  10.1007/s00025-022-01671-y
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] On approximate solutions of a class of Clairaut's equations2022
- Author(s)
  M. Onitsuka and Iz. El-Fassi
- Journal Title
  
  Applied Mathematics and Computation
  
  Volume: 428 Pages: 127205-127205
- DOI
  10.1016/j.amc.2022.127205
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Conditional Ulam stability and its application to von Bertalanffy growth model2022
- Author(s)
  M. Onitsuka
- Journal Title
  
  Mathematical Biosciences and Engineering
  
  Volume: 19 Issue: 3 Pages: 2819-2834
- DOI
  10.3934/mbe.2022129
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Ulam stability for second-order linear differential equations with three variable coefficients2022
- Author(s)
  M. Onitsuka
- Journal Title
  
  Results in Applied Mathematics
  
  Volume: 14 Pages: 100270-100270
- DOI
  10.1016/j.rinam.2022.100270
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Rectifiability of orbits for two-dimensional nonautonomous differential systems2021
- Author(s)
  Onitsuka Masakazu、Tanaka Satoshi
- Journal Title
  
  Electronic Journal of Qualitative Theory of Differential Equations
  
  Volume: 2021 Issue: 18 Pages: 1-23
- DOI
  10.14232/ejqtde.2021.1.18
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K03595, KAKENHI-PROJECT-20K03668
[Journal Article] Ulam stability for nonautonomous quantum equations2021
- Author(s)
  D. R. Anderson and M. Onitsuka
- Journal Title
  
  Journal of Inequalities and Applications
  
  Volume: 2021 Issue: 1 Pages: 1499-1518
- DOI
  10.1186/s13660-021-02699-4
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Conditional Ulam stability and its application to the logistic model2021
- Author(s)
  M. Onitsuka
- Journal Title
  
  Applied Mathematics Letters
  
  Volume: 122 Pages: 107565-107565
- DOI
  10.1016/j.aml.2021.107565
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Hyers-Ulam stability for second order linear differential equations of Caratheodory type2021
- Author(s)
  M. Onitsuka
- Journal Title
  
  Journal of Mathematical Inequalities
  
  Volume: 15 Issue: 4 Pages: 1499-1518
- DOI
  10.7153/jmi-2021-15-103
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Perturbations of planar quasilinear differential systems2021
- Author(s)
  Itakura Kenta、Onitsuka Masakazu、Tanaka Satoshi
- Journal Title
  
  Journal of Differential Equations
  
  Volume: 271 Pages: 216-253
- DOI
  10.1016/j.jde.2020.08.024
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K03595, KAKENHI-PROJECT-20K03668, KAKENHI-PROJECT-17H01095
[Journal Article] Best constant for Hyers-Ulam stability of two step sizes linear difference equations2021
- Author(s)
  D. R. Anderson and M. Onitsuka
- Journal Title
  
  Journal of Mathematical Analysis and Applications
  
  Volume: 496 Issue: 2 Pages: 124807-124807
- DOI
  10.1016/j.jmaa.2020.124807
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Hyers-Ulam stability for quantum equations2021
- Author(s)
  D. R. Anderson and M. Onitsuka
- Journal Title
  
  Aequationes mathematicae
  
  Volume: 95 Issue: 2 Pages: 201-214
- DOI
  10.1007/s00010-020-00734-1
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Best Hyers-Ulam stability constants on a time scale with discrete core and continuous periphery2021
- Author(s)
  D. R. Anderson and M. Onitsuka
- Journal Title
  
  Nonlinear Analysis, Differential Equations and Applications, Springer Optimization and Its Applications
  
  Volume: 173 Pages: 17-37
- DOI
  10.1007/978-3-030-72563-1_2
- ISBN
  9783030725624, 9783030725631
- Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Hyers-Ulam stability for Cayley quantum equations and its application to h-difference equations2021
- Author(s)
  D. R. Anderson and M. Onitsuka
- Journal Title
  
  Mediterranean Journal of Mathematics
  
  Volume: 18 Issue: 4
- DOI
  10.1007/s00009-021-01794-6
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Instability of second-order nonhomogeneous linear difference equations with real-valued coefficients2021
- Author(s)
  M. Onitsuka
- Journal Title
  
  Carpathian Journal of Mathematics
  
  Volume: 37 Pages: 489-495
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Hyers-Ulam stability of second-order linear dynamic equations on time scales2021
- Author(s)
  D. R. Anderson and M. Onitsuka
- Journal Title
  
  Acta Mathematica Scientia
  
  Volume: 41 Issue: 5 Pages: 1809-1826
- DOI
  10.1007/s10473-021-0525-2
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Hyers-Ulam stability of second-order nonhomogeneous linear difference equations with a constant stepsize2020
- Author(s)
  Onitsuka Masakazu
- Journal Title
  
  Journal of Computational Analysis and Applications
  
  Volume: 28 Pages: 152-165
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K14226
[Journal Article] Best constant for Ulam stability of first-order h-difference equations with periodic coefficient2020
- Author(s)
  Anderson Douglas R., Onitsuka Masakazu, Rassias John Michael
- Journal Title
  
  Journal of Mathematical Analysis and Applications
  
  Volume: 491 Issue: 2 Pages: 1-15
- DOI
  10.1016/j.jmaa.2020.124363
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Hyers-Ulam Stability and Best Constant for Cayley h-Difference Equations2020
- Author(s)
  Anderson Douglas R.、Onitsuka Masakazu
- Journal Title
  
  Bulletin of the Malaysian Mathematical Sciences Society
  
  Volume: 2020 Issue: 6 Pages: 1-16
- DOI
  10.1007/s40840-020-00920-z
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14226
[Journal Article] Best constant for Ulam stability of Hill's equations2020
- Author(s)
  Fukutaka Ryuma, Onitsuka Masakazu
- Journal Title
  
  Bulletin des Sciences Mathematiques
  
  Volume: 163 Pages: 1-23
- DOI
  10.1016/j.bulsci.2020.102888
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Hyers-Ulam-Rassias stability of first-order homogeneous linear difference equations with a small step size2020
- Author(s)
  Manabe Kanako, Onitsuka Masakazu
- Journal Title
  
  The Bulletin of the Okayama University of Science
  
  Volume: No.56 A Pages: 1-9
- NAID
  120006952324
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] Hyers-Ulam Stability for Quantum Equations of Euler Type2020
- Author(s)
  Anderson Douglas R., Onitsuka Masakazu
- Journal Title
  
  Discrete Dynamics in Nature and Society
  
  Volume: 2020 Pages: 1-10
- DOI
  10.1155/2020/5626481
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Journal Article] A necessary and sufficient condition for Hyers-Ulam stability of first-order periodic linear differential equations2020
- Author(s)
  Fukutaka Ryuma、Onitsuka Masakazu
- Journal Title
  
  Applied Mathematics Letters
  
  Volume: 100 Pages: 1-7
- DOI
  10.1016/j.aml.2019.106040
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K14226
[Journal Article] Hyers-Ulam Stability of a Discrete Diamond-Alpha Derivative Equation2019
- Author(s)
  Anderson Douglas R.、Onitsuka Masakazu
- Journal Title
  
  Frontiers in Functional Equations and Analytic Inequalities, Springer New york
  
  Volume: 2019 Pages: 237-254
- DOI
  10.1007/978-3-030-28950-8_14
- ISBN
  9783030289492, 9783030289508
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14226
[Journal Article] Hyers-Ulam stability for a discrete time scale with two step sizes2019
- Author(s)
  Anderson Douglas R.、Onitsuka Masakazu
- Journal Title
  
  Applied Mathematics and Computation
  
  Volume: 344-345 Pages: 128-140
- DOI
  10.1016/j.amc.2018.10.014
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14226
[Journal Article] Hyers-Ulam stability of first order linear differential equations of Caratheodory type and its application2019
- Author(s)
  Onitsuka Masakazu
- Journal Title
  
  Applied Mathematics Letters
  
  Volume: 90 Pages: 61-68
- DOI
  10.1016/j.aml.2018.10.013
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K14226
[Journal Article] Ulam Stability for a Class of Hill’s Equations2019
- Author(s)
  Fukutaka Ryuma、Onitsuka Masakazu
- Journal Title
  
  Symmetry
  
  Volume: 11 Issue: 12 Pages: 1-15
- DOI
  10.3390/sym11121483
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K14226
[Journal Article] Best Constant for Hyers-Ulam Stability of Second-Order h-Difference Equations with Constant Coefficients2019
- Author(s)
  Anderson Douglas R.、Onitsuka Masakazu
- Journal Title
  
  Results in Mathematics
  
  Volume: 74 Issue: 4 Pages: 1-16
- DOI
  10.1007/s00025-019-1077-9
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14226
[Journal Article] Best constant in Hyers?Ulam stability of first-order homogeneous linear differential equations with a periodic coefficient2019
- Author(s)
  Fukutaka Ryuma、Onitsuka Masakazu
- Journal Title
  
  Journal of Mathematical Analysis and Applications
  
  Volume: 473 Issue: 2 Pages: 1432-1446
- DOI
  10.1016/j.jmaa.2019.01.030
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K14226
[Journal Article] Hyers-Ulam stability of first-order nonhomogeneous linear difference equations with a constant stepsize2018
- Author(s)
  M. Onitsuka
- Journal Title
  
  Applied Mathematics and Computation
  
  Volume: 330 Pages: 143-151
- DOI
  10.1016/j.amc.2018.02.036
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K14226
[Journal Article] Hyers-Ulam stability of first-order homogeneous linear dynamic equations on time scales2018
- Author(s)
  Anderson Douglas R.、Onitsuka Masakazu
- Journal Title
  
  Demonstratio Mathematica
  
  Volume: 51 Issue: 1 Pages: 198-210
- DOI
  10.1515/dema-2018-0018
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14226
[Journal Article] Growth conditions for uniform asymptotic stability of damped oscillators2014
- Author(s)
  J. Sugie and M. Onitsuka
- Journal Title
  
  Nonlinear Analysis
  
  Volume: 98 Pages: 83-103
- NAID
  120005647366
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23740115
[Journal Article] Growth conditions for uniform asymptotic stability of damped oscillators, Nonlinear Analysis2014
- Author(s)
  J. Sugie and M. Onitsuka
- Journal Title
  
  Nonlinear Analysis
  
  Volume: 98 Pages: 83-103
- DOI
  10.1016/j.na.2013.12.005
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23740115, KAKENHI-PROJECT-25400165
[Journal Article] Uniform asymptotic stability for two-dimensional linear systems whose anti-diagonals are allowed to change sign2012
- Author(s)
  鬼塚政一
- Journal Title
  
  数理解析研究所講究録「関数方程式の定性的理論の新展開」
  
  Volume: vol.1786 Pages: 128-141
- Data Source
  KAKENHI-PROJECT-23740115
[Journal Article] Uniform asymptotic stability for two-dimensional linear systems whose anti-diagonals are allowed to change sign2012
- Author(s)
  鬼塚政一
- Journal Title
  
  数理解析研究所講究録
  
  Volume: 1786巻 Pages: 128-141
- Data Source
  KAKENHI-PROJECT-23740115
[Journal Article] Uniform global asymptotic stability for half-linear differential systems with time-varying coefficients2011
- Author(s)
  M.Onitsuka, J.Sugie
- Journal Title
  
  Proceedings of the Royal Society of Edinburgh, Section A : Mathematics
  
  Volume: Vol.141 Pages: 1083-1101
- NAID
  120006309259
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540190
[Journal Article] Asymptotic stability for quasi-linear sys- tems whose linear approximation is not assumed to be uniformly attractive2011
- Author(s)
  J. Sugie, Y. Ogami, M. Onitsuka
- Journal Title
  
  Annali di Matematica Pura ed Applicata
  
  Volume: 190 Pages: 409-425
- URL
  http://link.springer.com/article/10.1007/s10231-010-0156-z
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540190
[Journal Article] Uniform global asymptotic stability for half-linear differential systems with time-varying coefficients2011
- Author(s)
  M. Onitsuka and J. Sugie
- Journal Title
  
  Proceedings of the Royal Society of Edinburgh Sect A
  
  Volume: 141(5) Pages: 1083-1101
- NAID
  120006309259
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23740115
[Journal Article] Asymptotic stability for quasi-linear systems whose linear approximation is not assumed to be uniformly attractive2011
- Author(s)
  J.Sugie, Y.Ogami, M.Onitsuka
- Journal Title
  
  Annali di Matematica Pura ed Applicata
  
  Volume: Vol.190 Issue: 3 Pages: 409-425
- DOI
  10.1007/s10231-010-0156-z
- NAID
  120006309261
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540190
[Journal Article] Uniform asymptotic stability for damped linear oscillators with variable parameters2011
- Author(s)
  M. Onitsuka
- Journal Title
  
  Applied Mathematics and Computation
  
  Volume: 218(4) Pages: 1436-1442
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23740115
[Journal Article] Uniform asymptotic stability for damped linear oscillators with variable parameters2011
- Author(s)
  Masakazu Onitsuka
- Journal Title
  
  Applied Mathematics and Computation
  
  Volume: 218巻 Issue: 4 Pages: 1436-1442
- DOI
  10.1016/j.amc.2011.06.025
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23740115
[Journal Article] Uniform global asymptotic stability for half-linear differ- ential systems with time-varying coeffi- cients, Proceedings of the Royal Society of Edinburgh2011
- Author(s)
  M. Onitsuka, J. Sugie
- Journal Title
  
  Section A:Mathematics
  
  Volume: 141 Pages: 1083-1101
- URL
  http://dx.doi.org/10.1017/S0308210510000326
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540190
[Journal Article] Integral conditions on the uniform asymptotic stability for two-dimensional linear systems with time-varying coefficients2010
- Author(s)
  J.Sugie, M.Onitsuka
- Journal Title
  
  Proceedings of American Mathematical Society
  
  Volume: Vol.138 Pages: 2493-2503
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540190
[Journal Article] Integral condi- tions on the uniform asymptotic stability for two-dimensional linear systems with time-varying coefficients2010
- Author(s)
  J. Sugie, M. Onitsuka
- Journal Title
  
  Proceedings of American Mathematical Society
  
  Volume: 138 Pages: 2493-2503
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540190
[Journal Article] Global attractivity for half-linear differential sys- tems with periodic coefficients2010
- Author(s)
  J. Sugie, S. Hata, M. Onitsuka
- Journal Title
  
  Journal of Mathematical Analysisand Applications
  
  Volume: 371 Pages: 95-112
- URL
  http://dx.doi.org/10.1016/j.jmaa.2010.04.035
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540190
[Journal Article] Global attractivity for half-linear differential systems with periodic coefficients2010
- Author(s)
  J.Sugie, S.Hata, M.Onitsuka
- Journal Title
  
  Journal of Mathematical Analysis and Applications
  
  Volume: Vol.371 Pages: 95-112
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540190
[Journal Article] Uniform global asymptotic stability for half-linear differential systems with time-varying coefficients
- Author(s)
  M.Onitsuka, J.Sugie
- Journal Title
  
  Proceedings of the Royal Society of Edinburgh, Section : A Mathematics
  
  Volume: (掲載確定)
- NAID
  120006309259
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540190
[Journal Article] Asymptotic stability for quasi-linear systems whose linear approximation is not assumed to be uniformly attractive
- Author(s)
  J.Sugie, Y.Ogami, M.Onitsuka
- Journal Title
  
  Annali di Matematica Pura ed Applicata
  
  Volume: (掲載確定)
- NAID
  120006309261
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22540190
[Presentation] On the best constants for Ulam stability of ordinary differential equations2025
- Author(s)
  鬼塚政一
- Organizer
  反応拡散方程式と非線形分散型方程式の解の挙動
- Invited
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] 一般化標準形を係数行列にもつ常微分方程式のウラム安定性と最良定数2025
- Author(s)
  鬼塚政一
- Organizer
  非線形問題における新展開を目指した解析
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] 条件付きウラム安定性とゴンぺルツモデル2025
- Author(s)
  近藤真純, 鬼塚政一
- Organizer
  日本数学会中国・四国支部例会
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] ジョルダン標準形のウラム安定性と鞍点、結節点、渦状点の近似2025
- Author(s)
  鬼塚政一
- Organizer
  STM2024
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] A von Bertalanffy growth model with Allee effect and conditional Ulam stability2024
- Author(s)
  M. Kondo and M. Onitsuka
- Organizer
  The 56th ISCIE International Symposium on Stochastic Systems Theory and Its Applications (SSS '24)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] 2次元非自励常微分方程式系の解軌道のフラクタル解析に現れる非線形項の影響2024
- Author(s)
  鬼塚政一
- Organizer
  大阪電気通信大学における微分方程式セミナー（通算第46回）
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] アリー効果を伴うフォン・ベルタランフィモデルの条件付きウラム安定性2024
- Author(s)
  近藤真純, 鬼塚政一
- Organizer
  2024年度応用数学合同研究集会
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] 離散型 p(k)-Laplacian をもつ差分方程式の Leighton-Wintner 型振動定理の証明について2024
- Author(s)
  鬼塚政一
- Organizer
  Colloquium on the Qualitative Theory of Differential and Difference Equations in OSAKA
- Invited
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] Ulam type stability for dynamic equations on a discrete time scale with two step sizes2024
- Author(s)
  M. Onitsuka
- Organizer
  The 29th International Conference on Difference Equations and Applications
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] Allee効果を伴うvon Bertalanffyモデルとウラム安定性2024
- Author(s)
  近藤真純, 鬼塚政一
- Organizer
  日本数学会中国・四国支部例会
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] Box-counting dimension of spiral orbits for two-dimensional nonautonomous nonlinear differential systems2024
- Author(s)
  鬼塚政一, 田中敏
- Organizer
  日本数学会2024年度秋季総合分科会
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] Ulam stability for von Bertalanffy growth model with Allee effect2024
- Author(s)
  近藤真純, 鬼塚政一
- Organizer
  日本数学会2024年度秋季総合分科会
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] フォン・ベルタランフィモデルのウラム安定性におけるアリー効果の影響2024
- Author(s)
  近藤真純, 鬼塚政一
- Organizer
  日本応用数理学会環瀬戸内応用数理研究部会第28回シンポジウム
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] Stability regions for discrete diamond-alpha operator2023
- Author(s)
  鬼塚政一
- Organizer
  日本数学会2023年度秋季総合分科会
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] Lyapunov stability and Ulam stability for diamond-alpha difference equations2023
- Author(s)
  鬼塚政一
- Organizer
  北見工業大学における微分方程式セミナー（通算第45回）
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] On Ulam stability of two-dimensional linear differential systems2023
- Author(s)
  鬼塚政一
- Organizer
  日本数学会2023年度年会
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] Stability regions for a diamond-alpha difference equation2023
- Author(s)
  M. Onitsuka
- Organizer
  The 28th International Conference on Difference Equations and Applications
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] 一般化ロジスティック方程式のウラム安定性とその応用について2022
- Author(s)
  鬼塚政一
- Organizer
  岐阜数理科学セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] リミットサイクルの近似とウラム安定性2022
- Author(s)
  鬼塚政一
- Organizer
  大阪公立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４４回）
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] Ulam type stability for ordinary differential equations and its applications2022
- Author(s)
  鬼塚政一
- Organizer
  RIMS研究集会「常微分方程式の定性的理論とその現象解析への応用」
- Invited
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] 一般化ロジスティックモデルの安定性解析2022
- Author(s)
  鬼塚政一
- Organizer
  RIMS 共同研究（グループ型A）「非線形問題の精密解析」
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] Ulam stability of generalized logistic equations2022
- Author(s)
  Masakazu Onitsuka
- Organizer
  Equadiff15
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] 非線形常微分方程式のウラム安定性とリミットサイクルの近似2022
- Author(s)
  鬼塚政一
- Organizer
  福岡大学解析セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] Ulam stability for Cayley quantum equations2021
- Author(s)
  鬼塚政一
- Organizer
  日本数学会2021年度秋季総合分科会
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] On a perturbation theory for the planar quasilinear differential system and its application2021
- Author(s)
  田中敏, 鬼塚政一
- Organizer
  日本数学会2021年度年会
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] On Ulam's type stability for the von Bertalanffy growth model2021
- Author(s)
  鬼塚政一
- Organizer
  オンラインによる微分方程式セミナー（微分方程式セミナー通算第４３回）
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] Rectifiability and attractivity for two-dimensional nonautonomous differential systems2021
- Author(s)
  鬼塚政一, 田中敏
- Organizer
  日本数学会2021年度年会
- Data Source
  KAKENHI-PROJECT-20K03668
[Presentation] Hill方程式のHyers-Ulam安定性とHUS定数2020
- Author(s)
  福髙龍馬, 鬼塚政一
- Organizer
  日本数学会中国・四国支部例会
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] 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2019
- Author(s)
  福髙龍馬, 鬼塚政一
- Organizer
  日本数学会中国・四国支部例会
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] ２次元半分線形系の摂動について2019
- Author(s)
  板倉健太, 鬼塚政一, 田中敏
- Organizer
  日本数学会中国・四国支部例会
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] ダイヤモンドアルファ差分方程式のウラム安定性2019
- Author(s)
  鬼塚政一
- Organizer
  日本数学会2019年度秋季総合分科会
- Invited
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] Hyers-Ulam stability and best constant for second-order linear difference equations2019
- Author(s)
  M. Onitsuka
- Organizer
  The 25th International Conference on Difference Equations and Applications
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] 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2019
- Author(s)
  鬼塚政一
- Organizer
  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」
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] Hyers-Ulam stability of second-order linear difference equations with constant coefficients2019
- Author(s)
  鬼塚政一
- Organizer
  日本数学会2019年度年会
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] Hyers-Ulam stability for first-order linear differential equations with periodic coefficient2019
- Author(s)
  M. Onitsuka
- Organizer
  The 11th Colloquium on the Qualitative Theory of Differential Equations
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] Hill方程式のHyers-Ulam安定性2019
- Author(s)
  福髙龍馬, 鬼塚政一
- Organizer
  第六回ODE若手セミナー
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] 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2018
- Author(s)
  眞鍋佳菜子, 鬼塚政一
- Organizer
  日本数学会中国・四国支部例会
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] Characteristic equation for autonomous planar half-linear differential systems2018
- Author(s)
  田中敏, 鬼塚政一
- Organizer
  日本数学会2018年度年会
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] 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2018
- Author(s)
  福髙龍馬, 鬼塚政一
- Organizer
  第五回ODE若手セミナー
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] Box dimension of solution curves for a class of two-dimensional linear differential systems2018
- Author(s)
  鬼塚政一, 田中敏
- Organizer
  日本数学会2018年度年会
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] 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2018
- Author(s)
  鬼塚政一
- Organizer
  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」
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] Best constant in Hyers-Ulam stability of first-order nonhomogeneous linear difference equations with a constant stepsize2018
- Author(s)
  M. Onitsuka
- Organizer
  The 12th AIMS Conference on Dynamical Systems, Differential Equations and Applications
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] Hyers-Ulam stability for periodic linear differential equations of first order2018
- Author(s)
  R. Fukutaka, M. Onitsuka
- Organizer
  Japan-China Joint Workshop on Differential and Difference Equations and Related Topics in Osaka 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] 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2018
- Author(s)
  福高龍馬, 鬼塚政一
- Organizer
  日本数学会中国・四国支部例会
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] 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2017
- Author(s)
  谷本陽輝, 鬼塚政一
- Organizer
  第四回ODE若手セミナー
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] 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2017
- Author(s)
  鬼塚政一, 眞鍋佳菜子
- Organizer
  第四回ODE若手セミナー
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] Integral Average Conditions for Oscillation of Damped Half-linear Differential Equations2017
- Author(s)
  M. Onitsuka
- Organizer
  International Conference on Differential & Difference Equations and Applications 2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] On the Hyers-Ulam stability of first-order nonhomogeneous linear difference equations2017
- Author(s)
  M. Onitsuka
- Organizer
  The 17th International Conference on Functional Equations and Inequalities
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] Best constant in Hyers-Ulam stability of first-order nonhomogeneous linear difference equations2017
- Author(s)
  M. Onitsuka
- Organizer
  Japan-China Joint Workshop on Ordinary Differential Equations and Related Topics in Osaka 2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] 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2017
- Author(s)
  福高龍馬, 鬼塚政一
- Organizer
  第四回ODE若手セミナー
- Data Source
  KAKENHI-PROJECT-17K14226
[Presentation] 減衰線形振動子の一様漸近安定性に対する離散的条件2014
- Author(s)
  杉江実郎，鬼塚政一
- Organizer
  平成２６年度日本数学会年会
- Place of Presentation
  学習院大学・目白キャンパス
- Data Source
  KAKENHI-PROJECT-25400165
[Presentation] 減衰線形振動子の一様漸近安定性に対する離散的条件2014
- Author(s)
  杉江実郎, 鬼塚政一
- Organizer
  日本数学会2014年度年会
- Place of Presentation
  学習院大学西 2 号館 201 教室
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] 減衰線形振動子の一様漸近安定性に対する離散的条件2014
- Author(s)
  杉江実郎, 鬼塚政一
- Organizer
  日本数学会2014年度年会
- Place of Presentation
  学習院大学西2号館 201教室
- Year and Date
  2014-03-15
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] 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)2013
- Author(s)
  鬼塚政一
- Organizer
  RIMS 研究集会「常微分方程式の定性的理論の新展開」
- Place of Presentation
  京都大学数理解析研究所 1 階 111号室
- Year and Date
  2013-11-19
- Invited
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] ２次元非自励半分線形系の吸収性と安定性2013
- Author(s)
  鬼塚政一
- Organizer
  日本数学会2013年度秋季総合分科会
- Place of Presentation
  愛媛大学城北キャンパス共通教育講義棟講義室11
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] 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2013
- Author(s)
  鬼塚政一
- Organizer
  「岡山理科大学における微分方程式セミナー(通算第36回)
- Place of Presentation
  岡山理科大学2学舎 2階 10221講義室
- Year and Date
  2013-09-09
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] 非自励半分線形系の吸収性と安定性2013
- Author(s)
  鬼塚政一
- Organizer
  RIMS研究集会「常微分方程式の定性的理論の新展開」
- Place of Presentation
  京都大学数理解析研究所 1 階 111 号室
- Invited
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] 2階半分線形微分方程式の吸収性と安定性について2013
- Author(s)
  鬼塚政一
- Organizer
  振動理論ワークショップ - 松山 2013
- Place of Presentation
  愛媛大学理学部数学棟2階大演習室
- Year and Date
  2013-02-10
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] 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2013
- Author(s)
  鬼塚政一
- Organizer
  日本数学会中国・四国支部例会
- Place of Presentation
  高知大学理学部共通講義室4
- Year and Date
  2013-01-27
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] 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2013
- Author(s)
  鬼塚政一
- Organizer
  岡山理科大学における微分方程式セミナー（通算第３６回）
- Place of Presentation
  岡山理科大学 2 学舎 2 階 10221 講義室
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] 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?2013
- Author(s)
  鬼塚政一
- Organizer
  関数方程式の定性的理論ワークショップ
- Place of Presentation
  岡山理科大学25号館 5階 22553講義室
- Year and Date
  2013-03-18
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] Attractivity implies stability for half-linear differential systems with time-varying coefficients2013
- Author(s)
  M. Onitsuka
- Organizer
  Equadiff13
- Place of Presentation
  Hall B, Faculty of Arts, Charles University in Prague, Czech Republic
- Year and Date
  2013-08-27
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] 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？2013
- Author(s)
  鬼塚政一
- Organizer
  関数方程式の定性的理論ワークショップ
- Place of Presentation
  岡山理科大学 25 号館 5 階 22553 講義室
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] 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2013
- Author(s)
  鬼塚政一
- Organizer
  日本数学会中国・四国支部例会
- Place of Presentation
  高知大学理学部共通講義室４
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] 2次元非自励半分線形系の吸収性と安定性2013
- Author(s)
  鬼塚政一
- Organizer
  日本数学会2013年度秋季総合分科会
- Place of Presentation
  愛媛大学城北キャンパス共通教育講義棟講義室11
- Year and Date
  2013-09-24
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] ２階半分線形微分方程式の吸収性と安定性について2013
- Author(s)
  鬼塚政一
- Organizer
  振動理論ワークショップ - 松山 2013
- Place of Presentation
  愛媛大学理学部数学棟2階大演習室
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] 2次元非自励線形系の一様漸近安定性について2012
- Author(s)
  鬼塚政一
- Organizer
  微分方程式の総合的研究
- Place of Presentation
  京都大学理学研究科301号室
- Year and Date
  2012-12-15
- Invited
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] 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2012
- Author(s)
  鬼塚政一
- Organizer
  愛知教育大学第一共通棟201教室
- Place of Presentation
  愛知教育大学第一共通棟201教室
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] 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2012
- Author(s)
  鬼塚政一
- Organizer
  なかもず解析セミナー
- Place of Presentation
  大阪府立大学中百舌鳥キャンパスB3 棟204号室
- Year and Date
  2012-07-06
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] 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2012
- Author(s)
  鬼塚政一
- Organizer
  愛知教育大学における微分方程式セミナー
- Place of Presentation
  愛知教育大学第一共通棟201教室
- Year and Date
  2012-09-07
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] ２次元非自励線形系の一様漸近安定性について2012
- Author(s)
  鬼塚政一
- Organizer
  微分方程式の総合的研究
- Place of Presentation
  京都大学理学研究科301号室
- Invited
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] 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2012
- Author(s)
  鬼塚政一
- Organizer
  微分方程式の定性的理論ワークショップ
- Place of Presentation
  島根大学総合理工学部3号館6階数理第2総合演習室
- Year and Date
  2012-03-04
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] On the uniform asymptotic stability for two-dimensional linear nonautonomous differential systems2012
- Author(s)
  M. Onitsuka
- Organizer
  International Workshop Handayama Differential Equation Seminar
- Place of Presentation
  seminar room (north), 8th floor, 20th building, Okayama University of Science, Japan
- Year and Date
  2012-11-06
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] Uniform asymptotic stability for two-dimensional linear systems with variable parameters2012
- Author(s)
  M. Onitsuka
- Organizer
  International Conference on the Theory, Methods and Applications of Nonlinear Equations
- Place of Presentation
  Rhode Hall 342, Texas A&M University-Kingsville, Texas, USA
- Year and Date
  2012-12-19
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] 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2012
- Author(s)
  鬼塚政一
- Organizer
  なかもず解析セミナー
- Place of Presentation
  大阪府立大学中百舌鳥キャンパスB3棟204号室
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] 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2012
- Author(s)
  鬼塚政一
- Organizer
  微分方程式の定性的理論ワークショップ
- Place of Presentation
  島根大学総合理工学部3号館6階数理第2総合演習室
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] 2次元非自励線形系の零解が指数漸近安定でないための十分条件2011
- Author(s)
  鬼塚政一
- Organizer
  岐阜大学における微分方程式セミナー
- Place of Presentation
  岐阜大学柳戸キャンパス岐阜大学工学部101番教室
- Year and Date
  2011-09-09
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] 係数行列の非対角成分に符号変化を許す2 次元線形系の一様漸近安定性2011
- Author(s)
  鬼塚政一
- Organizer
  日本数学会2011年度秋季総合分科会
- Place of Presentation
  信州大学松本キャンパス全学教育機構第20講義室
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] ２次元非自励線形系の零解が指数漸近安定でないための十分条件2011
- Author(s)
  鬼塚政一
- Organizer
  岐阜大学における微分方程式セミナー
- Place of Presentation
  岐阜大学柳戸キャンパス岐阜大学工学部101番教室
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] 係数行列の対角成分に符号変化を許す2次元線形系の一様漸近安定性2011
- Author(s)
  鬼塚政一
- Organizer
  日本数学会2011年度秋季総合分科会
- Place of Presentation
  信州大学松本キャンパス全学教育機構第20講義室
- Year and Date
  2011-09-28
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] Uniform asymptotic stability for two-dimensional linear systems whose anti-diagonals are allowed to change sign2011
- Author(s)
  Masakazu Onitsuka
- Organizer
  Progress in Qualitative Theory of Functional Equations(招待講演)
- Place of Presentation
  Room 111, Research Institute for Mathematical Sciences Kyoto University, Japan
- Data Source
  KAKENHI-PROJECT-23740115
[Presentation] Uniform asymptotic stability for two-dimensional linear systems whose anti-diagonals are allowed to change sign2011
- Author(s)
  M. Onitsuka
- Organizer
  Progress in Qualitative Theory of Functional Equations
- Place of Presentation
  Room 111, Research Institute for Mathematical Sciences Kyoto University, Japan
- Year and Date
  2011-11-11
- Invited
- Data Source
  KAKENHI-PROJECT-23740115

1. SUGIE Jitsuro (40196720)

# of Collaborated Projects: 2 results

# of Collaborated Products: 11 results
2. MATSUNAGA Hideaki (40332960)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
3. SAITO Yasuhisa (30402241)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. KATAGATA Koh (10529598)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. NAKANISHI Toshihiro (00172354)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. YAMAOKA Naoto (90433789)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. Fan Meng

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. Wu Fentao

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 田中敏

# of Collaborated Projects: 0 results

# of Collaborated Products: 3 results
10. 藤本皓大

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Onitsuka Masakazu 鬼塚 政一

ONITSUKA MASAKAZU 鬼塚 政一

ONITSUKA Masakazu 鬼塚 政一

Research Projects

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Co-Researchers

最良定数を用いたウラム安定性の定量化と価値創造Principal Investigator

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A new departure for qualitative theory of diamond-alpha difference equationsPrincipal Investigator

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Construction of stability theory of ordinary differential systems by fractal analysisPrincipal Investigator

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Elucidation of global dynamics for damped oscillators and dissipative wave equations and its application to biology

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Construction of the instability theory of two-dimensional nonautonomous systems and its applicationPrincipal Investigator

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New construction of phase space analysis that conforms to low-dimensional dynamical systems

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Elucidation of the boundary of various Siegel disks influenced by continued fraction expansions

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[Book] 例題で学ぶ はじめての微分方程式2024

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[Journal Article] Best Ulam constants for damped linear oscillators with variable coefficients2025

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[Journal Article] (L^p, L^q) Hyers-Ulam stability2025

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[Journal Article] Leighton-Wintner-type oscillation theorem for the discrete p(k)-Laplacian2025

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[Journal Article] A discrete logistic model with conditional Hyers?Ulam stability2025

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[Journal Article] A new representation for the solution of the Richards‐type fractional differential equation2024

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[Journal Article] Best Ulam constants for two‐dimensional nonautonomous linear differential systems2024

Onitsuka Masakazu 鬼塚政一

ONITSUKA MASAKAZU 鬼塚政一

ONITSUKA Masakazu 鬼塚政一

[Book] 例題で学ぶはじめての微分方程式2024