Partially extended oscillation and nonoscillation theorems for half-linear Hill-type differential equations with periodic damping. Mathematical Methods in the Applied Sciences. 2024. 1-11
Kazuki Ishibashi. Wintner-type nonoscillation theorems for conformable linear Sturm-Liouville differential equations. Opuscula Mathematica. 2024. 44. 5. 727-748
Jitsuro Sugie, Kazuki Ishibashi. The only limit cycle that appears in damped harmonic oscillators affected by state-dependent impulses. Journal of Mathematical Analysis and Applications. 2024. 531. 2. 127886-127886
Kazuki Ishibashi. Nonoscillation of damped linear differential equations with a proportional derivative controller and its application to Whittaker-Hill-type and Mathieu-type equations. Opuscula Mathematica. 2023. 43. 1. 67-79
Kazuki Ishibashi. Nonoscillation of the Mathieu-type half-linear differential equation and its application to the generalized Whittaker-Hill-type equation. Monatshefte für Mathematik. 2022. 198. 4. 741-756
2階線形微分方程式と差分方程式に対するHille-Wintner型非振動定理
(Colloquium on the Qualitative Theory of Differential and Difference Equations in OSAKA “QUALITDDE-2024” 2024)
Nonoscillation of damped linear conformable differential equations
(RIMS Workshop: Recent Development of Qualitative Theory on ODEs and its Applications 2023)
Nonoscillation of the Mathieu-type half-linear differential equation
(日本数学会2023年度秋季総合分科会 2023)