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math.CA2022★ 1 cited
Equal masses Eulerian relative equilibria on a rotating meridian of S^2
Toshiaki Fujiwara, Ernesto Pérez-Chavela
Relative equilibria on a rotating meridian on in equal-mass three-body problem under the cotangent potential are determined. We show the existence of scalene and iso…
math.CA2018
Symmetric Liapunov center theorem for orbit with nontrivial isotropy group
Marta Kowalczyk, Ernesto Pérez-Chavela, Sławomir Rybicki
In this article we prove two versions of the Liapunov center theorem for symmetric potentials. We consider a~second order autonomous system in the pres…
math.CA2017
Symmetric Liapunov center theorem for minimal orbit
Ernesto Pérez-Chavela, Sławomir Rybicki, Daniel Strzelecki
Using the techniques of equivariant bifurcation theory we prove the existence of non-stationary periodic solutions of -symmetric systems in any neig…