- Marshall Hampton and Richard Moeckel, Finiteness of stationary configurations of the four-vortex problem, Trans. Amer. Math. Soc. 361 (2009), no. 3, 1317-1332.
- Marshall Hampton and Manuele Santoprete, Seven-body central configurations: A family of central configurations in the spatial seven-body problem, Cel. Mec. Dynam. Astron 99 (2007), no. 4, 293–305.[doi/arXiv]