J. Llibre, A. Rodrigues.
On the limit cycles of the Floquet differential equations.
Discrete Contin. Dyn. Syst. Ser. B, 19(4), 1129-1136. 2014. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, R. Saghin, X. Zhang.
On the analytic integrability of the 5-dimensional Lorenz system for the gravitiy-wave activity.
Proc. Amer. Math. Soc., 142(2), 531-537. 2014. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, M. A. Teixeira.
Periodic solutions of discontinuous second order differential systems.
In Proceedings of 12th International Workshop on Real and Complex Singularities, 183-190. 2014. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, A. E. Teruel.
Introduction to the qualitative theory of differential systems: planar, symmetric and continuous piecewise linear systems.
Springer-Verlag, 2014. (XIII, 289 p. 84 illus., 1 illus. in color)
Link at publisherAbstract

J. Llibre, C. Valls.
Algebraic invariant curves and first integrals for Riccati polynomial differential systems.
Proc. Amer. Math. Soc., 142(10), 3533-3543. 2014. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, C. Valls.
Weierstrass integrability for a class of differential systems.
J. Nonlinear Math. Phys., 21(2), 294-307. 2014. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, C. Valls.
Liouvillian and analytic integrability of the quadratic vector fields having an invariant ellipse.
Acta Math. Sinica (N.S.), 30(3), 453-466. 2014. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, C. Valls.
Darboux integrability of 2-dimensional Halmiltonian systems with homogeneous potentials of degree 3.
J. Math. Phys., 55, 033507. 2014. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, C. Valls.
Nonintegrability of a Halphen system.
Theoret. and Math. Phys., 181(2), 1383-1395. 2014. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, C. Valls.
On the analytic integrability of the cored galactic Hamiltonian.
Appl. Math. Lett., 33, 35-39. 2014. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, C. Vidal.
Global dynamics of the Kummer-Schwarz differential equation.
Mediterranean J. Math., 11, 477-486. 2014. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, C. Vidal.
New 1:1:1 periodic solutions in 3-dimensional galactic-type Hamiltonian systems.
Nonlinear Dynam., 78, 969-980. 2014. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, S. Walcher, X. Zhang.
Local Darboux first integrals of analytic differential systems.
Bull. Sci. Math., 138, 71-88. 2014. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, D. Xiao.
Limit cycles bifurcating from a non-isolated zero-Hopf equilibrium of three-dimensional differential systems.
Proc. Amer. Math. Soc., 142(6), 2047-2062. 2014. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, D. Xiao.
Global dynamics of a Lotka-Volterra model with two predators competing for one prey.
SIAM J. Appl. Math., 74(2), 434-453. 2014. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, J. Yu, X. Zhang.
On the limit cycles of the polynomial differential systems with a linear node and homogeneous nonlinearities.
Internat. J. Bifur. Chaos Appl. Sci. Engrg., 24(5), 1450065. 2014. [DOI]
PreprintAbstractPreprint at DDDUAB

D. D. Novaes.
On nonsmooth perturbations of nondegenerate planar centers.
Publ. Mat., Extra, 395-420. 2014. [DOI]
PreprintAbstractPreprint at DDDUAB

S. Pérez-González, J. Torregrosa.
Simultaneous bifurcation of limit cycles from a linear center with extra singular points.
Bull. Sci. Math., 138, 124-138. 2014. [DOI]
PreprintAbstractPreprint at DDDUAB

R. Prohens, J. Torregrosa.
Periodic orbits from second order perturbation via rational trigonometric integrals.
Phys. D, 280-281, 59-72. 2014. [DOI]
PreprintAbstractPreprint at DDDUAB

A. C. Rezende.
The geometry of some tridimensional families of planar quadratic differential systems.
PhD thesis, Universidade de Sao Paulo, Sao Carlos, September, 2014.
AbstractPreprint at DDDUAB