Shoya Motonaga. Subharmonic Melnikov functions and nonintegrability for autonomous and non-autonomous perturbations of single-degree-of-freedom Hamiltonian systems near periodic orbits. Physica D: Nonlinear Phenomena. 2024. 460. 134088-134088
Shoya Motonaga, Kazuyuki Yagasaki. Nonintegrability of forced nonlinear oscillators. Japan Journal of Industrial and Applied Mathematics. 2023
Shoya Motonaga, Kazuyuki Yagasaki. Obstructions to Integrability of Nearly Integrable Dynamical Systems Near Regular Level Sets. Archive for Rational Mechanics and Analysis. 2023. 247. 3
Shoya Motonaga, Kazuyuki Yagasaki. Persistence of periodic and homoclinic orbits, first integrals and commutative vector fields in dynamical systems. Nonlinearity. 2021. 34. 11. 7574-7608
Shoya Motonaga, Kazuyuki Yagasaki. Nonintegrability of Parametrically Forced Nonlinear Oscillators. Regular and Chaotic Dynamics. 2018. 23. 3. 291-303
講演・口頭発表等 (44件):
Duality principle in ergodic optimization and thermodynamic formalism
(冬の力学系研究集会 2024)
エルゴード理論における最適化問題の双対原理と熱力学形式
(エルゴード理論研究集会 2023)
Duality in ergodic optimization and related topics
(Dynamics Days 2023 Kagurazaka 2023)
近可積分系の正則レベル集合近傍における非可積分性
(日本数学会 2023)
Nonintegrability of nearly integrable dynamical systems near regular level sets
(The 8th Workshop on Hamiltonian Systems and Related Topics 2023)