J. L. G. Guirao, J. Llibre.
On the set of periods for the Morse-Smale diffeomorphisms on the disc with n holes.
J. Difference Equ. Appl., 19(7), 1161-1173. 2013. [DOI]
AbstractPreprint at DDDUAB

J. L. G. Guirao, J. Llibre.
Periodic structure of transversal maps on $\mathbb {CP}^n$, $\mathbb {HP}^n$ and $\mathbb S^p\times \mathbb S^q$.
Qual. Theory Dyn. Syst., 12, 417-425. 2013. [DOI]
AbstractPreprint at DDDUAB

J. L. G. Guirao, J. Llibre, J. A. Vera.
On the dynamics of the rigid body with a fixed point: Periodic orbits and integrability.
Nonlinear Dynam., 74, 327-333. 2013. [DOI]
AbstractPreprint at DDDUAB

J. L. G. Guirao, J. Llibre, J. A. Vera.
Periodic solutions induced by an upright position of small oscillations of a sleeping symmetrical gyrostat.
Nonlinear Dynam., 73(1-2), 417-425. 2013. [DOI]
AbstractPreprint at DDDUAB

J. L. G. Guirao, J. Llibre, J. A. Vera.
Periodic orbits of Hamiltonian systems: applications to perturbed Kepler problems.
Chaos Solitons Fractals, 57, 105-111. 2013. [DOI]
AbstractPreprint at DDDUAB

D. Juher, J. Ripoll, J. Saldaña.
Outbreak analysis of an SIS epidemic model with rewiring.
J. Math. Biol., 67, 411-432. 2013. [DOI]
AbstractPreprint at DDDUAB

W. Li, J. Llibre, H. Wu.
Reduction of periodic difference systems to linear or autonomous ones.
Bull. Sci. Math., 137, 129-139. 2013. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, A. Mahdi, C. Valls.
Darboux integrability of the Lü system.
J. Geom. Phys., 63, 118-128. 2013. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, A. Makhlouf.
Periodic orbits of the generalized Friedmann-Robertson-Walker Hamiltonian systems.
Astrophys. Space Sci., 344(1), 45-50. 2013. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, A. Makhlouf.
Periodic solutions of second order Hamiltonian systems.
Dyn. Syst., 28(2), 214-221. 2013. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, A. C. Mereu.
Limit cycles for a class of discontinuous generalized Liénard polynomial differential equations.
Electron. J. Differential Equations, 2013(195), 1-8. 2013.
AbstractPreprint at DDDUAB

J. Llibre, M. Ordóñez, E. Ponce.
On the existence and uniqueness of limit cycles in planar continuous piecewise linear systems without symmetry.
Nonlinear Anal. Real World Appl., 14(5), 2002-2012. 2013. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, C. Pantazi, S. Walcher.
Morphisms and inverse problems for Darboux integrating factors.
Proc. Roy. Soc. Edinburgh Sect. A, 143(6), 1291-1302. 2013.
AbstractPreprint at DDDUAB

J. Llibre, D. Pasca, C. Valls.
Qualitative study of the charged restricted three-body problem.
J. Differential Equations, 255, 326-338. 2013. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, R. O. Ramírez, N. Sadovskaia.
Integrability of the constrained rigid body.
Nonlinear Dynam., 73, 2273-2290. 2013. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, S. Rebollo-Perdomo.
Invariant parallels, invariant meridians and limit cycles of polynomial vector fields on some 2-dimensional algebraic tori in $\mathbb R^3$.
J. Dyn. Diff. Equat., 25(3), 777-793. 2013. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, L. A. Roberto.
On the periodic orbits of the third-order differential equation $x ' ' '-\mu x ' '+x'-\mu x=\varepsilon f(x,x',x ' ')$.
Appl. Math. Lett., 26, 425-430. 2013. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, L. A. Roberto.
On the periodic solutions of a class of Duffing differential equations.
Discrete Contin. Dyn. Syst., 33(1), 277-282. 2013. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, L. A. Roberto.
Periodic orbits and non-integrability of Armbruster-Guckenheimer-Kim potential.
Astrophys. Space Sci., 343(1), 69-74. 2013. [DOI]
PreprintPreprint at DDDUAB

J. Llibre, A. Rodrigues.
A note of the periodic orbits of a kind of Duffing equations.
Appl. Math. Comput., 219, 8358-8365. 2013. [DOI]
AbstractPreprint at DDDUAB