Smale's sixth problem for generic masses

Let nn bodies have masses m1,,mnm_1,\dots,m_n and pairwise distances rijr_{ij} satisfying the Albouy–Chenciner equations and the Cayley–Menger equations for planar configurations. A normalization removes the scaling freedom, and a normalized central configuration is a central configuration represented by one such normalized distance vector. Smale's sixth-problem conjecture for generic masses. For generic values of the masses, the number of normalized central configurations in the nn-body problem over any field of characteristic 00 is finite. The conjecture extends Smale's question from positive real masses and real configurations to generic masses and configurations over arbitrary characteristic-zero fields; the supplied text does not state whether it has been resolved.

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Primary source

Anders N. Jensen and Anton Leykin, “Smale's 6th problem for generic masses”, arXiv:2301.02305 (2025).

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