Mathematics – Dynamical Systems
Scientific paper
2011-09-06
Mathematics
Dynamical Systems
20 pages, 6 figures
Scientific paper
We give a detailed analytical description of the global dynamics of a point mass moving on a sphere under the action of a logarithmic potential. After performing a McGehee-type blow-up in order to cope with the singularity of the potential, we investigate the rest-points of the flow, the invariant (stable and unstable) manifolds and we give a complete dynamical description of the motion.
Castelli Roberto
Paparella Francesco
Portaluri Alessandro
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