Discrete symmetric dynamical system at the main resonances with applications to axi-symmetric galaxies. (English) Zbl 0418.70011
MSC:
70F15 | Celestial mechanics |
70H05 | Hamilton’s equations |
70K20 | Stability for nonlinear problems in mechanics |
70H03 | Lagrange’s equations |
70G10 | Generalized coordinates; event, impulse-energy, configuration, state, or phase space for problems in mechanics |