搜索结果: 1-1 共查到“天文学 derivatives”相关记录1条 . 查询时间(0.218 秒)
THIRD DERIVATIVES OF THE INTEGRABLE PART OF AN ASTEROID HAMILTONIAN
Celestial mechanics-Minor planets asteroids
2009/2/16
To apply the theorem of Nekhoroshev (1977) to asteroids, one ¯rst
has to check whether a necessary geometrical condition is ful¯lled: either convexity,
or quasi-convexity, or only a 3-jet ...