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 ） （ eISSN:1096-0813 ）
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
Oscillation and instability of solutions of a spatial economic model caused by delay
Grant-in-Aid for Scientific Research(C) 2024
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
数学特別研究1A
2024 Intensive lecture Graduate school
数学概論B
2024 Weekly class Graduate school
数学特別研究2A
2024 Intensive lecture Graduate school
数学特別研究5A
2024 Intensive lecture Graduate school
数学特別研究4A
2024 Intensive lecture Graduate school
数学特別研究3A
2024 Intensive lecture Graduate school
応用数理シミュレーション演習
2024 Weekly class Undergraduate
解析学演習I
2024 Weekly class Undergraduate
常微分方程式
2024 Weekly class Graduate school
常微分方程式
2024 Weekly class Graduate school
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