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M. Takeuti 《Astrophysics and Space Science》1993,210(1-2):1-5
A historical sketch of the nonlinear theory of variable stars is outlined briefly. The main break-through came from the hydrodynamic study of stellar pulsation. From a theoretical point of view, coupling needs to be discussed more carefully. The impact of new opacities on the astrophysical problems is also discussed. 相似文献
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Seven algorithms are investigated for integrating stellar orbits in axisymmetric and time-independent galactic models. We find that for this purpose, impressive gains over older methods are possible with higher order Runge-Kutta methods and variable order methods. 相似文献
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