J. Giné, M. Grau, J. Llibre.
Averaging theory at any order for computing periodic orbits.
Phys. D, 250, 58-65. 2013. [DOI]
AbstractPreprint at DDDUAB

J. Giné, M. Grau, J. Llibre.
A note on liouvillian first integrals and invariant algebraic curves.
Appl. Math. Lett., 26, 285-289. 2013. [DOI]
AbstractPreprint at DDDUAB

J. Giné, M. Grau, J. Llibre.
Polynomial and rational first integrals for planar quasi-homogeneous polynomial differential sytems.
Discrete Contin. Dyn. Syst., 33(10), 4531-4547. 2013. [DOI]
AbstractPreprint at DDDUAB

J. Giné, M. Grau, J. Llibre.
On the extensions of the Darboux theory of integrability.
Nonlinearity, 26(8), 2221-2229. 2013. [DOI]
AbstractPreprint at DDDUAB

J. Ginoux, J. Llibre, L. O. Chua.
Canards from Chua's circuit.
Internat. J. Bifur. Chaos Appl. Sci. Engrg., 23(4), 1330010. 2013. [DOI]
AbstractPreprint at DDDUAB

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 $ {CP}^n$, $ {HP}^n$ and $ S^p\times 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. [DOI]
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