投稿中論文

• Y. Kambara and N. Yamaoka, Asymptotic behavior of solutions of the dynamic Dixit-Stiglitz-Krugman model.
• Y. Saito and N. Yamaoka, Asymptotic behavior of solutions of discrete replicator equations with the core-periphery model.

論文

25. Y. Yamanaka and N. Yamaoka, Oscillation and nonoscillation theorems for Meissner's equation, Appl. Math. Comput., 388 (2021), 125526, 13pp.
24. B. Ito, P. Řehák, and N. Yamaoka, Applications of iterated logarithm functions on time scales to Riemann-Weber-type equations, Proc. Amer. Math. Soc., 148 (2020), 1611-1624. (Impact Factor, SJR)
23. K. Fujimoto and N. Yamaoka, Oscillation constants for Euler type differential equations involving the \(p(t)\)-Laplacian, J. Math. Anal. Appl., 470 (2019), 1238-1250. (Impact Factor, SJR)
22. N. Yamaoka, Comparison theorems for second-order damped nonlinear differential equations, Differential and Difference Equations with Applications, Springer Proc. Math. Stat. 230, 627-634 (2018).
21. N. Yamaoka, Oscillation and nonoscillation criteria for second-order nonlinear difference equations of Euler type, Proc. Amer. Math. Soc., 146 (2018), 2069-2081. (Impact Factor, SJR)
20. P. Řehák and N. Yamaoka, Oscillation constants for second-order nonlinear dynamic equations of Euler type on time scales, J. Difference Equ. Appl., 23 (2017), 1884-1900. (Impact Factor, SJR)
19. A. Hongyo and N. Yamaoka, General solutions of second-order linear difference equations of Euler type, Opuscula Math., 37 (2017), 389-402. (Impact Factor, SJR)
18. K. Fujimoto and N. Yamaoka, Existence and nonexistence of limit cycles for Liénard-type equations with bounded nonlinearities and \(\varphi\)-Laplacian, Commun. Contemp. Math., 19 (2017), 1650057, 21 pp. (Impact Factor, SJR)
17. O. Došlý and N. Yamaoka, Oscillation constants for second-order ordinary differential equations related to elliptic equations with \(p\)-Laplacian, Nonlinear Anal., 113 (2015), 115-136. (Impact Factor, SJR)
16. K. Fujimoto and N. Yamaoka, Global existence and nonexistence of solutions for second-order nonlinear differential equations, J. Math. Anal. Appl., 411 (2014), 707-718. (Impact Factor, SJR)
15. N. Yamaoka, Oscillation criteria for second-order nonlinear difference equations of Euler type, Adv. in Difference Equ. 2012, 2012:218, 14pp. (Impact Factor, SJR)
14. N. Yamaoka, A comparison theorem and oscillation criteria for second-order nonlinear differential equations, Appl. Math. Lett., 23 (2010), 902-906. (Impact Factor, SJR)
13. N. Yamaoka, A nonoscillation theorem for half-linear differential equations with delay nonlinear perturbations, Diff. Eq. Appl., 1 (2009), 209-217.
12. N. Yamaoka, Oscillation criteria for second-order damped nonlinear differential equations with \(p\)-Laplacian, J. Math. Anal. Appl., 325 (2007), 932-948. (Impact Factor, SJR)
11. N. Yamaoka and J. Sugie, Multilayer structures of second-order linear differential equations of Euler type and their application to nonlinear oscillations, Ukrainian Math. J., 58 (2006), 1935-1949. (Impact Factor, SJR)
10. J. Sugie and N. Yamaoka, Comparison theorems for oscillation of second-order half-linear differential equations, Acta Math. Hungar., 111 (2006), 165-179. (Impact Factor, SJR)
9. N. Yamaoka and J. Sugie, Oscillation caused by delay perturbation in half-linear differential equations, Dynam. Systems Appl., 14 (2005), 365-380. (Impact Factor, SJR)
8. J. Sugie and N. Yamaoka, Growth conditions for oscillation of nonlinear differential equations with \(p\)-Laplacian, J. Math. Anal. Appl., 306 (2005), 18-34. (Impact Factor, SJR)
7. N. Yamaoka and J. Sugie, Influence of nonlinear perturbed terms on the oscillation of elliptic equations, Proc. Amer. Math. Soc., 132 (2004), 2281-2290. (Impact Factor, SJR)
6. J. Sugie and N. Yamaoka, Oscillation of solutions of second-order nonlinear self-adjoint differential equations, J. Math. Anal. Appl., 291 (2004), 387-405. (Impact Factor, SJR)
5. J. Sugie and N. Yamaoka, Applications of phase plane analysis of a Liénard system to positive solutions of Schrödinger equations, Proc. Amer. Math. Soc., 131 (2003), 501-509. (Impact Factor, SJR)
4. J. Sugie and N. Yamaoka, Decaying positive solutions of quasilinear elliptic equations in exterior domains in \(\mathbb{R}^2\), J. Math. Anal. Appl., 275 (2002), 288-311. (Impact Factor, SJR)
3. J. Sugie, K. Kita and N. Yamaoka, Oscillation constant of second-order non-linear self-adjoint differential equations, Ann. Mat. Pura Appl. (4), 181 (2002), 309-337. (Impact Factor, SJR)
2. J. Sugie and N. Yamaoka, An infinite sequence of nonoscillation theorems for second order nonlinear differential equations of Euler type, Nonlinear Anal., 50 (2002), 373-388. (Impact Factor, SJR)
1. J. Sugie, N. Yamaoka and Y. Obata, Nonoscillation theorems for a nonlinear self-adjoint differential equation, Nonlinear Anal., 47 (2001), 4433-4444. (Impact Factor, SJR)

数理解析研究所講究録と大学紀要

13. N. Yamaoka, Oscillation constants for second-order nonlinear dynamic equations on time scales, 常微分方程式の定性的理論および数理モデル研究への応用, 数理解析研究所講究録 2122 (2019), 26-36.
12. N. Yamaoka, Oscillation constants for second-order nonlinear differential equations with p-Laplacian, 実領域における常微分方程式の定性的理論とその応用, 数理解析研究所講究録 1959 (2015), 55-73.
11. N. Yamaoka, Oscillation theorems for second-order nonlinear difference equations of Euler type, 新しい視点からの現象解析と関数方程式, 数理解析研究所講究録 1750 (2011), 8-16.
10. N. Yamaoka, Comparison theorems for oscillation of nonlinear differential equations with p-Laplacian, 関数方程式のダイナミクスと数理モデル, 数理解析研究所講究録 1637 (2009), 25-31.
9. N. Yamaoka, Oscillation constants of nonlinear differential equations with delay, 現象からの関数方程式， 数理解析研究所講究録 1547 (2007), 87-93.
8. K. Matsumura, N. Yamaoka and J. Sugie, Oscillation problem for half-linear differential equations with periodic damping, 関数方程式の解のダイナミクスと数値シミュレーション， 数理解析研究所講究録 1474 (2006), 154-161.
7. N. Yamaoka and J. Sugie, Oscillation and comparison theorems for second-order half-linear differential equations, 関数方程式と複雑系， 数理解析研究所講究録 1445 (2005), 110-120.
6. N. Yamaoka, Oscillation and nonoscillation theorems for second order nonlinear differential equations with p-Laplacian, Mem. Fac. Sci. Eng. Shimane Univ. Ser. B Math. Sci., 38 (2005), 17--30.
5. N. Yamaoka and J. Sugie, Oscillation theorems for nonlinear differential equations with p-Laplacian and its application to elliptic equation, 数理モデルと関数方程式の解のダイナミクス， 数理解析研究所講究録 1372 (2004), 151-158.
4. J. Sugie and N. Yamaoka, Oscillation problem for elliptic equations with nonlinear perturbed terms, 変分問題とその周辺， 数理解析研究所講究録 1347 (2003), 142-155.
3. N. Yamaoka and J. Sugie, Oscillatory solutions of semilinear elliptic equations with nonlinear perturbed terms in exterior domains, 関数方程式と数理モデル， 数理解析研究所講究録 1309 (2003), 31-38.
2. J. Sugie, and N. Yamaoka, Applications of phase plane analysis of a Liénard system to positive solutions of Schrödinger equations, 関数方程式の解のダイナミクスとその周辺， 数理解析研究所講究録 1254 (2002), 132-141.
1. J. Sugie and N. Yamaoka, Nonoscillation theorems for second order nonlinear differential equations of Euler type, 関数方程式の定性的理論とその現象解析への応用， 数理解析研究所講究録 1216 (2001), 224-235.