B. Coll, A. Gasull, R. Prohens.
Asymptotic dynamics of a difference equation with a parabolic equilibrium.
Qual. Theory Dyn. Syst., 19, Article number 70. 2020. [DOI]
PreprintAbstractPreprint at DDDUAB

M. Corbera, J. Llibre.
Spatial convex but non-strictly convex double-pyramidal central configurations of the (2n+2)-body problem.
J. Dyn. Diff. Equat., 32, 1965-1982. 2020. [DOI]
PreprintAbstractPreprint at DDDUAB

M. Corbera, J. Llibre, P. Yuan.
On the convex central configurations of the symmetric (l+2)-body problem.
Regul. Chaotic Dyn., 25(3), 250-272. 2020. [DOI]
PreprintAbstractPreprint at DDDUAB

M. Corbera, C. Valls.
Global phase portraits of Z2-Symmetric planar polynomial Hamiltonian systems of degree three with a nilpotent saddle at the origin.
Internat. J. Bifur. Chaos Appl. Sci. Engrg., 30(1), 2050006:1-30. 2020. [DOI]
PreprintAbstractPreprint at DDDUAB

M. Corbera, C. Valls.
Nilponent saddles of linear plus cubic homogeneous polynomial reversible vector fields.
Bull. Sci. Math., 162, 102873:1-18. 2020. [DOI]
PreprintAbstractPreprint at DDDUAB

L. P. C. Cruz, V. G. Romanovskii, J. Torregrosa.
The center and cyclicity problems for quadratic linear-like reversible systems.
Nonlinear Anal., 190, 111593: 1-19. 2020. [DOI]
PreprintAbstractPreprint at DDDUAB

L. P. C. Cruz, J. Torregrosa.
A Bendixson-Dulac theorem for some piecewise systems.
Nonlinearity, 33, 2455-2480. 2020. [DOI]
PreprintAbstractFull PDFPreprint at DDDUAB

A. F. Fonseca, J. Llibre, L. F. Mello.
Limit cycles in planar piecewise linear Hamiltonian systems with three zones without equilibrium points.
Internat. J. Bifur. Chaos Appl. Sci. Engrg., 30(11), 2050157 (8 pages). 2020. [DOI]
PreprintAbstractPreprint at DDDUAB

F. S. Dias, J. Llibre, C. Valls.
Global dynamics of a virus model with invariant algebraic surfaces.
Rend. Circ. Mat. Palermo (2), 69, 535-546. 2020. [DOI]
PreprintAbstractPreprint at DDDUAB

A. Feddaoui, J. Llibre, A. Makhlouf.
4-dimensional zero-Hopf bifurcation for polynomial differentials systems with cubic homogeneous nonlinearities via averaging theory.
Int. J. Dyn. Syst. Differ. Equ., 10(4), 321-328. 2020. [DOI]
PreprintAbstractPreprint at DDDUAB

A. Ferragut, J. Llibre.
On the polynomial solutions of the polynomial differential equations $yy'=a_0(x)+a_1(x)y+a_2(x)y^2+...+a_n(x)y^n$.
Indian J. Pure Appl. Math., 51, 217-232. 2020. [DOI]
PreprintAbstractPreprint at DDDUAB

F. Gao, J. Llibre.
Periodic orbits of the two fixed centers problem with a variational gravitational field.
Celestial Mech. Dynam. Astronom., 132(6-7), art. no. 39. 2020. [DOI]
PreprintAbstractPreprint at DDDUAB

F. Gao, J. Llibre.
Global dynamics of the Horava-Lifshitz cosmology with non-zero curvature and a wide range of potentials.
Eur. Phys. J. C Part. Fields, 80, 137:1-13. 2020. [DOI]
PreprintAbstractPreprint at DDDUAB

J. D. García Saldaña, A. Gasull, H. Giacomini.
A new approach for the study of limit cycles.
J. Differential Equations, 269, 6269-6292. 2020. [DOI]
PreprintAbstractPreprint at DDDUAB

J. D. García Saldaña, J. Llibre, C. Valls.
Nilpotent global centers of linear systems with cubic homogeneous nonlinearities.
Internat. J. Bifur. Chaos Appl. Sci. Engrg., 30(1), 2050010:1-12. 2020. [DOI]
PreprintAbstractPreprint at DDDUAB

J. D. García Saldaña, J. Llibre, C. Valls.
Linear type global centers of linear systems with cubic homogeneous nonlinearities.
Rend. Circ. Mat. Palermo (2), 69, 771-785. 2020. [DOI]
PreprintAbstractPreprint at DDDUAB

A. Garijo, X. Jarque.
The secant map applied to a real polynomial with multiple roots.
Discrete Contin. Dyn. Syst., 40(12), 6783-6794. 2020. [DOI]
PreprintAbstractPreprint at DDDUAB

M. Garrido.
Singularidades en el problema de los n cuerpos.
Masters thesis, Universidad de Granada, Granada (Spain), September, 2020.
Full PDF

A. Gasull.
AB y BA.
Gac. R. Soc. Mat. Esp., 23(3), 550. 2020.
PreprintFull PDFPreprint at DDDUAB

A. Gasull, A. Geyer, F. Mañosas.
A Chebyshev criterion with applications.
J. Differential Equations, 269, 6641-6655. 2020. [DOI]
PreprintAbstractPreprint at DDDUAB