BABY
发表于 2025-3-26 22:22:43
Chaos or Order in Double Barred Galaxies?,lign generates a closed curve, which we call a loop. Loops allow us to verify consistency of the potential. As maps of doubly periodic orbits, loops can be used to search the phase-space in double bars in order to determine the fraction occupied by ordered motions.
臭了生气
发表于 2025-3-27 02:06:59
Jeans Solutions for Triaxial Galaxies,ing moments form a closed system of three highly-symmetric coupled first-order partial differential equations in three variables. They were first derived by Lynden-Bell in 1960, but have resisted solution by standard methods. Here we present the general solution by superposition of singular solutions.
NOTCH
发表于 2025-3-27 08:28:30
Low Frequency Power Spectra and Classification of Hamiltonian Trajectories,erlying dynamics of the trajectories. The asymptotic behavior of γ along a trajectory is qualitatively similar to that of the finite time Liapunov characteristic number. The standard map is used as a test model, because it is a typical model for describing Hamiltonian dynamics.
constitutional
发表于 2025-3-27 11:32:07
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琐碎
发表于 2025-3-27 14:45:16
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得体
发表于 2025-3-27 18:20:40
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模范
发表于 2025-3-28 00:57:53
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旧石器
发表于 2025-3-28 04:48:32
Stellar Dynamics and Molecular Dynamics: Possible Analogies,tum Fermi-Dirac distribution, and b) describes a state of metaequilibrium, that is expected to evolve on much longer time scales to a standard Maxwell-Boltzmann equilibrium. Here it is illustrated how an analogous situation seems to occur in molecular dynamics, described within the context of classi
消毒
发表于 2025-3-28 07:14:36
Waves Derived from Galactic Orbits. Solitons and Breathers,he displacements of particles in this case obey a partial differential equation (PDE). Thus it is possible to derive PDEs from a given Hamiltonian. We demonstrate the above methodology using, as an example, a cubic potential and we derive a Korteweg-de Vries equation..We apply this methodology in ga
Silent-Ischemia
发表于 2025-3-28 10:44:16
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