# American Institute of Mathematical Sciences

September  2010, 14(2): 719-732. doi: 10.3934/dcdsb.2010.14.719

## Global bifurcations from the center of mass in the Sitnikov problem

Received  June 2009 Revised  November 2009 Published  June 2010

The Sitnikov problem is a restricted three body problem where the eccentricity of the primaries acts as a parameter. We find families of symmetric periodic solutions bifurcating from the equilibrium at the center of mass. These families admit a global continuation up to excentricity $e=1$. The same techniques are applicable to the families obtained by continuation from the circular problem ($e=0$). They lead to a refinement of a result obtained by J. Llibre and R. Ortega.
Citation: Rafael Ortega, Andrés Rivera. Global bifurcations from the center of mass in the Sitnikov problem. Discrete and Continuous Dynamical Systems - B, 2010, 14 (2) : 719-732. doi: 10.3934/dcdsb.2010.14.719
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