49 citations · 143 across the 23 of their papers we have counts for
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math.DS2015★ 1 cited
De Sitter's Theory of Galilean Satellites and the Related Quasi-periodic Orbits
Henk Broer, Lei Zhao
In this article, we investigate the mathematical part of De Sitter's theory on the Galilean satellites, and further extend this theory by showing the existence of some quasi-period…
math.DS2015★ 3 cited
Angular Momenta of Relative Equilibrium Motions and Real Moment Map Geometry
Gert Heckman, Lei Zhao
Chenciner and Jimenez Perez showed that the range of the spectra of the angular momenta of all the rigid motions of a fixed central configuration in a general Euclidean space form…