Geodesic
Pyramidal central configurations and perverse solutions
Electronic Journal of Differential Equations, Tome 2004 (2004).

Voir la notice de l'article provenant de la source Electronic Library of Mathematics

Summary: For $n$-body problems, a central configuration (CC) plays an important role. In this paper, we establish the relation between the spatial pyramidal central configuration (PCC) and the planar central configuration. We prove that the base of PCC is also a CC and we also prove that for some given conditions a planar CC can be extended to a PCC. In particular, if the pyramidal central configuration has a regular polygon base, then the masses of base are equal and the distance between the top vertex and the base is fixed and the mass of the top vertex is selective. Furthermore, the pyramidal central configuration gives rise to an example of a perverse solution in $\mathbb{R}^3$.
Classification : 37N05, 70F10, 70F15
Keywords: n-body problems, pyramidal central configuration, regular polygonal base, perverse solutions 
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     author = {Ouyang, Tiancheng and Xie, Zhifu and Shiqing Zhang},
     title = {Pyramidal central configurations and perverse solutions},
     journal = {Electronic Journal of Differential Equations},
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     volume = {2004},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2004__2004__a116/}
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Ouyang, Tiancheng; Xie, Zhifu; Shiqing Zhang. Pyramidal central configurations and perverse solutions. Electronic Journal of Differential Equations, Tome 2004 (2004). http://geodesic.mathdoc.fr/item/EJDE_2004__2004__a116/