Oligarchy 发表于 2025-3-28 14:35:43
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Die Gewissheit unsicherer Zeitenonstruct symplectic maps for generic continuous Hamiltonian systems. We consider the generic Hamiltonian system (2.2) with small time-periodic perturbations. We shall discuss the main difficulties to construct mappings from Hamiltonian equations, and the shortcomings.卵石 发表于 2025-3-29 00:30:37
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Die Gewissheit unsicherer Zeiten function .(.). It means that the time evolution of system (.(.), .(.)) can be found through its initial position (.(.), .(.)) by the forward, (.(.), .(.)) → (.(.), .(.)), and the backward, (.(.), .(.)) → (.(.), .(.)), canonical transformations (1.20) given by the generating function .(.,., .) takenadumbrate 发表于 2025-3-29 10:17:22
Ungleiche Netzwerke - Vernetzte Ungleichheitom (see, e.g., Cary and Littlejohn (1983); Boozer (1983); Morrison (2000)). The Hamiltonian formulation of magnetic field lines has been instrumental in early studies of the problems of stability and destruction of magnetic surfaces in tokamaks and stellarators due to the presence of magnetic perturIntruder 发表于 2025-3-29 12:29:18
Construction of Mappings for Hamiltonian Systems and Their ApplicationsLANCE 发表于 2025-3-29 15:54:19
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Magnetic Field Lines in Fusion Plasmas,om (see, e.g., Cary and Littlejohn (1983); Boozer (1983); Morrison (2000)). The Hamiltonian formulation of magnetic field lines has been instrumental in early studies of the problems of stability and destruction of magnetic surfaces in tokamaks and stellarators due to the presence of magnetic pertur改良 发表于 2025-3-30 01:58:05
http://reply.papertrans.cn/24/2361/236080/236080_49.pngpredict 发表于 2025-3-30 06:47:44
Perturbation Theory for Nearly Integrable Systems,perturbation of the integrable system. To study perturbed systems special theoretical methods, known as ., have been developed. They are based on the assumption that the solutions of a perturbed system are close to the corresponding solutions of the unperturbed (integrable) system, and one seeks the