Kōdai Fujimoto, Kazuki Ishibashi, Masakazu Onitsuka. Leighton-Wintner-type oscillation theorem for the discrete p(k)-Laplacian. Applied Mathematics Letters. 2025. 163. 109465
Kazuki Ishibashi. Riccati technique and nonoscillation of damped linear dynamic equations with the conformable derivative on time scales. Results in Applied Mathematics. 2025. 25. 100553
Kazuki Ishibashi. Partially extended oscillation and nonoscillation theorems for half-linear Hill-type differential equations with periodic damping. Mathematical Methods in the Applied Sciences. 2025. 3. 48. 3748
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
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)