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- Oliveira, Allyson; Vidal, Claudio Stability of the rhombus vortex problem with a central vortex. J. Dynam. Differential Equations 32 (2020), no. 4, 2109–2123.
- Marchesin, Marcelo; Vidal, Claudio Global dynamics in a restricted five vortices problem on the plane. J. Dynam. Differential Equations 32 (2020), no. 4, 1641–1667.
- Llibre, Jaume; Martínez, Paulina; Vidal, Claudio Limit cycles of a perturbation of a polynomial Hamiltonian systems of degree 4 symmetric with respect to the origin. Canad. Math. Bull. 63 (2020), no. 3, 547–561.
- Anacleto, María; Vidal, Claudio Dynamics of a delayed predator-prey model with Allee effect and Holling type II functional response. Math. Methods Appl. Sci. 43 (2020), no. 9, 5708–5728.
- Andrade, Jaime; Boatto, Stefanella; Vidal, Claudio Dynamics and bifurcation of passive tracers advected by a ring of point vortices on a sphere. J. Math. Phys. 61 (2020), no. 5, 052702, 26 pp.
- Cárcamo-Díaz, Daniela; Palacián, Jesús F.; Vidal, Claudio; Yanguas, Patricia On the nonlinear stability of the triangular points in the circular spatial restricted three-body problem. Regul. Chaotic Dyn. 25 (2020), no. 2, 131–148.
- Crespo, F.; Espejo, D. E.; Vidal, Claudio Normalization and existence of invariant ray solutions of a 2-DOF autonomous Hamiltonian system with null frequencies. Qual. Theory Dyn. Syst. 19 (2020), no. 1, Paper No. 18, 32 pp.
- Andrade, Jaime; Crespo, Francisco; Martínez, Y. Paulina; Vidal, Claudio McGehee blow-up of the Kepler problem on surfaces of constant curvature. Qual. Theory Dyn. Syst. 19 (2020), no. 1, Paper No. 13, 19 pp.
- Fernandes, Antonio Carlos; Mello, Luis Fernando; Vidal, Claudio On the uniqueness of the isoceles trapezoidal central configuration in the 4-body problem for power-law potentials. Nonlinearity 33 (2020), no. 1, 388–407.
- Falconi, Manuel; Vera-Damián, Yrina; Vidal, Claudio Predator interference in a Leslie-Gower intraguild predation model. Nonlinear Anal. Real World Appl. 51 (2020), 102974, 37 pp.