Corbera Subirana, Montserrat; Delgado, Joaquin; Llibre, Jaume
(Springer Verlag, 2009)
In this paper we prove the existence of central configurations of the pnbody
problem where the masses are at the vertices of p nested regular n-gons with a
common center for all p ≥ 2 and n ≥ 2. In such configurations ...