Updated on 2024/03/07
Graduate School of Science Department of Mathematics
Associate Professor 2022.04 - Now
School of Science Department of Mathematics
Associate Professor 2022.04 - Now
博士（理学） （ Others ）
Natural Science / Mathematical analysis / Functional Equations
Natural Science / Mathematical analysis
関数方程式
Oscillation theory
Ordinary differential equations
Qualitative Theory of functional equations
The Mathematical Society of Japan
2003.10 - Now Domestic
日本数学会
Osaka Metropolitan University Graduate School of Science
2022.04 - Now
Osaka Prefecture University Graduate School of Science
2018.04 - 2022.03
Oscillation and nonoscillation theorems for Meissner's equation Reviewed
Yusuke Yamanaka, Naoto Yamaoka
Appl. Math. Comput. 雑誌 388 ( 1 ) 2021.01
Oscillation and nonoscillation theorems for Meissner’s equation Reviewed
Yusuke Yamanaka, Naoto Yamaoka
Applied Mathematics and Computation 388 125526 - 125526 2021.01（ ISSN:0096-3003 ）
Applications of iterated logarithm functions on time scales to Riemann-Weber-type equations Reviewed
Baku Ito, Pavel Řehák, and Naoto Yamaoka
Proc. Amer. Math. Soc. 雑誌 148 ( 4 ) 1611 - 1624 2020.04
Applications of iterated logarithm functions on time scales to Riemann-Weber-type equations Reviewed
Naoto Yamaoka, Pavel Rehak, Baku Ito
Proc. Amer. Math. Soc. 148 ( 4 ) 1611 - 1624 2020.04
Oscillation constants for second-order nonlinear dynamic equations on time scales
N. Yamaoka
数理解析研究所講究録 雑誌 ( 2122 ) 2019.07
Oscillation constants for Euler type differential equations involving the p(t)-Laplacian Reviewed
K. Fujimoto, N. Yamaoka
J. Math. Anal. Appl. 雑誌 ( 470 ) 2019.02
Oscillation constants for Euler type differential equations involving the p(t)-Laplacian Reviewed
K. Fujimoto, N. Yamaoka
J. Math. Anal. Appl. 470 ( 2 ) 1238 - 1250 2019.02（ ISSN:0022-247X ）
Oscillation and nonoscillation criteria for second-order nonlinear difference equations of Euler type Reviewed
N. Yamaoka
Proc. Amer. Math. Soc. 雑誌 146 ( 5 ) 2069 - 2081 2018.05
Comparison theorems for second-order damped nonlinear differential equations Reviewed
N. Yamaoka
Springer Proc. Math. Stat. 雑誌 ( 230 ) 2018
Existence and nonexistence of limit cycles for Liénard-type equations with bounded nonlinearities and φ-Laplacian Reviewed
K. Fujimoto and N. Yamaoka
Communications in Contemporary Mathematics 雑誌 19 ( 1650057 ) 2017.12
Oscillation constants for second-order nonlinear dynamic equations of Euler type on time scales Reviewed
P. Řehák and N. Yamaoka
Journal of Difference Equations and Applications 雑誌 23 ( 11 ) 1884 - 1900 2017.11
General solutions of second-order linear difference equations of Euler type Reviewed
A. Hongyo and N. Yamaoka
Opuscula Mathematica 雑誌 37 389 - 402 2017.05
Oscillation constants for second-order nonlinear differential equations with p-Laplacian
N. Yamaoka
数理解析研究所講究録 雑誌 1959 55 - 73 2015.07
Oscillation constants for second-order ordinary differential equations related to elliptic equations with p-Laplacian Reviewed
O. Došlý and N. Yamaoka
Nonlinear Anal. 雑誌 113 115 - 136 2015.01
Global existence and nonexistence of solutions for second-order nonlinear differential equations Reviewed
K. Fujimoto and N. Yamaoka
J. Math. Anal. Appl. 雑誌 411 ( 2 ) 707 - 718 2014.03
Oscillation criteria for second-order nonlinear difference equations of Euler type Reviewed
N. Yamaoka
Adv. in Difference Equ. 雑誌 2012 ( 218 ) 2012.12
Oscillation theorems for second-order nonlinear difference equations of Euler type
N. Yamaoka
数理解析研究所講究録 雑誌 1750 8 - 16 2011.07
A comparison theorem and oscillation criteria for second-order nonlinear differential equations Reviewed
N. Yamaoka
Appl. Math. Lett. 雑誌 23 ( 8 ) 902 - 906 2010.08
A nonoscillation theorem for half-linear differential equations with delay nonlinear perturbations Reviewed
N. Yamaoka
Differ. Equ. Appl. 雑誌 1 ( 2 ) 209 - 217 2009.05
Oscillation criteria for second-order damped nonlinear differential equations with p-Laplacian Reviewed
N. Yamaoka
J. Math. Anal. Appl. 雑誌 325 ( 2 ) 932 - 948 2007.01
Multilayer structures of second-order linear differential equations of Euler type and their application to nonlinear oscillations Reviewed
N. Yamaoka and J. Sugie
Ukrainian Math. J. 雑誌 58 1935 - 1949 2006
Comparison theorems for oscillation of second-order half-linear differential equations Reviewed
J. Sugie and N. Yamaoka
Acta Math. Hungar. 雑誌 111 165 - 179 2006
Oscillation caused by delay perturbation in half-linear differential equations Reviewed
N. Yamaoka and J. Sugie
Dynam. Systems Appl. 雑誌 14 365 - 380 2005
Growth conditions for oscillation of nonlinear differential equations with p-Laplacian Reviewed
J. Sugie and N. Yamaoka
J. Math. Anal. Appl. 雑誌 306 18 - 34 2005
Influence of nonlinear perturbed terms on the oscillation of elliptic equations Reviewed
N. Yamaoka and J. Sugie
Proc. Amer. Math. Soc. 雑誌 132 2281 - 2290 2004
Oscillation of solutions of second-order nonlinear self-adjoint differential equations Reviewed
J. Sugie and N. Yamaoka
J. Math. Anal. Appl. 雑誌 291 387 - 405 2004
Applications of phase plane analysis of a Liénard system to positive solutions of Schrödinger equations Reviewed
J. Sugie and N. Yamaoka
Proc. Amer. Math. Soc. 雑誌 131 501 - 509 2003
Decaying positive solutions of quasilinear elliptic equations in exterior domains in R^2 Reviewed
J. Sugie and N. Yamaoka
J. Math. Anal. Appl. 雑誌 275 288 - 311 2002
An infinite sequence of nonoscillation theorems for second order nonlinear differential equations of Euler type Reviewed
J. Sugie and N. Yamaoka
Nonlinear Anal. 雑誌 50 373 - 388 2002
Oscillation constant of second-order non-linear self-adjoint differential equations Reviewed
J. Sugie, K. Kita and N. Yamaoka
Ann. Mat. Pura Appl. (4) 雑誌 181 309 - 337 2002
Nonoscillation theorems for a nonlinear self-adjoint differential equation Reviewed
J. Sugie, N. Yamaoka and Y. Obata
Nonlinear Anal. 雑誌 47 4433 - 4444 2001
Oscillation constants for second-order nonlinear dynamic equations on time scales
N. Yamaoka
Kôkyûroku 2122 26 - 36 2019.07
Asymptotic behavior of solutions of two-region dynamic Dixit-Stiglitz-Krugman model with the discrete-time variable International conference
N. Yamaoka
28th International Conference on Difference Equations and Applications 2023.07
核－周辺モデルにおける離散型レプリケータ方程式の解の漸近挙動について Invited Domestic conference
山岡直人
RIMS共同研究（公開型）「常微分方程式の定性的理論とその応用」 2021.11
不連続な周期係数をもつ２階線形微分方程式の振動定数について Domestic conference
山岡直人
RIMS共同研究「非線形問題への常微分方程式の手法によるアプローチ」 2021.03
時間遅れが引き起こす空間経済モデルの解の振動性と不安定性
Grant-in-Aid for Scientific Research(C) 2023
時間遅れが引き起こす空間経済モデルの解の振動性と不安定性
Grant-in-Aid for Scientific Research(C) 2022
時間遅れが引き起こす空間経済モデルの解の振動性と不安定性
Grant-in-Aid for Scientific Research(C) 2021
Special Topics in Mathematical Systems Engineering A
2021
Calculus I
2021
Introduction to Programming
2021
Introduction to Life, Environment, and Advanced Sciences
2021
Exercise in Mathematical Analysis I
2021
Numerical Analysis
2021
Mathematical Analysis I
2021
Ordinary Differential Equations
2021
Ordinary Differential Equations
2021
2023
Number of instructed the graduation thesis：2
[Number of instructed the Master's Program] (previous term)：1
[Number of master's thesis reviews] (vice-chief)：1
「なかもず解析セミナー」世話人
Role(s)： Planner, Logistic support
壁谷 喜継、川上 竜樹、菅 徹、黒田 紘敏、谷川 智幸、藤本 皓大、松永 秀章、山岡 直人 2012.04 - 2022.03