Furong Zhao, Zhiqiang Wang, “Action Minimizing Orbits in the 2-Center Problems with Simple Choreography Constraint”, Few-Body Syst, 63, no. 4, 2022, 78
Roberto Castelli, “Topologically Distinct Collision-Free Periodic Solutions for the ${N}$ N -Center Problem”, Arch Rational Mech Anal, 223, no. 2, 2017, 941
Kuo-Chang Chen, Guowei Yu, “Variational construction for heteroclinic orbits of the N-center problem”, Calc. Var., 59, no. 1, 2020, 4
Vivina L Barutello, Irene De Blasi, Susanna Terracini, “Chaotic dynamics in refraction galactic billiards”, Nonlinearity, 36, no. 8, 2023, 4209
Andreas Knauf, Iskander A. Taimanov, “On the integrability of the n-centre problem”, Math. Ann., 331, no. 3, 2005, 631
S.V. Bolotin, P. Negrini, “Chaotic behavior in the 3-center problem”, Journal of Differential Equations, 190, no. 2, 2003, 539
Alberto Boscaggin, Walter Dambrosio, Susanna Terracini, “Scattering Parabolic Solutions for the Spatial N-Centre Problem”, Arch Rational Mech Anal, 223, no. 3, 2017, 1269
Alberto Boscaggin, Walter Dambrosio, Duccio Papini, “Parabolic solutions for the planar N-centre problem: multiplicity and scattering”, Annali di Matematica, 197, no. 3, 2018, 869
Kuo-Chang Chen, “Variational Aspects of the Two-Center Problem”, Arch Rational Mech Anal, 244, no. 2, 2022, 225
Sergey V. Bolotin, “Degenerate billiards”, Proc. Steklov Inst. Math., 295, no. 1, 2016, 45