J. Alavez-Ramírez, G. Blé, J. López-López, J. Llibre.
On the maximum number of limit cycles of a class of generalized Liénard differential systems.
Internat. J. Bifur. Chaos Appl. Sci. Engrg., 22(3), 1250063. 2012. [DOI]
AbstractPreprint at DDDUAB

M. J. Álvarez, A. Ferragut.
Local behavior of planar analytic vector fields via integrability.
J. Math. Anal. Appl., 385, 264-277. 2012. [DOI]
AbstractPreprint at DDDUAB

M. J. Álvarez, A. Gasull, R. Prohens.
Limit cycles for two families of cubic systems.
Nonlinear Anal., 75, 6402-6417. 2012. [DOI]
AbstractPreprint at DDDUAB

J. C. Artés, J. Llibre, N. Vulpe.
Complete geometric invariant study of two classes of quadratic systems.
Electron. J. Differential Equations, 2012(9), 1-35. 2012.
AbstractPreprint at DDDUAB

J. C. Artés, J. Llibre, N. Vulpe.
Quadratic systems with an integrable saddle: A complete classification in the coefficient space $ R^{12}$.
Nonlinear Anal., 75, 5416-5447. 2012. [DOI]
AbstractPreprint at DDDUAB

K. Baranski, X. Jarque, L. Rempe.
Brushing the hairs of transcendental entire functions.
Topology Appl., 159(8), 2102-2114. 2012. [DOI]
PreprintAbstractPreprint at DDDUAB

E. Barrabés, M. Ollé, F. Borondo, D. Farrelly, J. M. Mondelo.
Phase space structure of the hydrogen atom in a circularly polarized microwave field.
Phys. D, 241, 333-349. 2012. [DOI]
AbstractPreprint at DDDUAB

L. Barreira, J. Llibre, C. Valls.
Periodic orbits near equilibria via averaging theory of second order.
Math. Model. Anal., 17(5), 715-731. 2012. [DOI]
AbstractPreprint at DDDUAB

L. Barreira, J. Llibre, C. Valls.
Bifurcation of limit cycles from a 4-dimensional center in $ R^m$ in resonance 1:N.
J. Math. Anal. Appl., 389, 754-768. 2012. [DOI]
AbstractPreprint at DDDUAB

L. Barreira, J. Llibre, C. Valls.
Limit cycles from a four-dimensional centre in $R^m$ in resonance $p:q$.
Dyn. Syst., 27(4), 459-474. 2012. [DOI]
AbstractPreprint at DDDUAB

R. Benterki, J. Llibre.
Polynomial differential systems with explicit non-algebraic limit cycles.
Electron. J. Differential Equations, 2012(78), 1-6. 2012.
AbstractPreprint at DDDUAB

L. M. O. Biscolla, J. Llibre, W. M. Oliva.
The rolling ball problem on the sphere.
Sao Paulo J. Math. Sci., 6(2), 1-9. 2012. [DOI]
AbstractPreprint at DDDUAB

D. Blázquez, C. Pantazi.
A note on the Darboux theory of integrability of non-autonomous polynomial differential systems.
Nonlinearity, 25, 2615-2624. 2012. [DOI]
AbstractPreprint at DDDUAB

A. Buica, J. Giné, J. Llibre.
A second order analysis of the periodic solutions for nonlinear periodic differential systems with a small parameter.
Phys. D, 241, 528-533. 2012. [DOI]
AbstractPreprint at DDDUAB

A. Buica, J. Llibre, O. Makarenkov.
Bifurcations from nondegenerate families of periodic solutions in Lipschitz systems.
J. Differential Equations, 252, 3899-3919. 2012. [DOI]
AbstractPreprint at DDDUAB

C. A. Buzzi, R. Euzébio, J. Llibre, L. F. Mello.
Discussion on the limit cycles of the Lev Ginzburg equation.
J. Sound Vibration, 331, 5168-5170. 2012. [DOI]
AbstractPreprint at DDDUAB

C. A. Buzzi, J. Llibre.
On the periodic solutions of the static, spherically symmetric Einstein-Yang-Mills equations.
J. Math. Phys., 53, 122703. 2012. [DOI]Preprint at DDDUAB

P. T. Cardin, T. Carvalho, J. Llibre.
Bifurcation of limit cycle from a n-dimensional linear center inside a class of piecewise linear differential systems.
Nonlinear Anal., 75, 143-152. 2012. [DOI]
AbstractPreprint at DDDUAB

V. Carmona, S. Fernández-García, F. Fernández-Sánchez, E. Garcia-Medina, A. E. Teruel.
Reversible periodic orbits in a class of 3D continuous piecewise linear systems of differential equations.
Nonlinear Anal., 75, 5866-5883. 2012. [DOI]
AbstractPreprint at DDDUAB

M. Caubergh.
Hilbert's sixteenth problem for polynomial Liénard equations.
Qual. Theory Dyn. Syst., 11, 3-18. 2012. [DOI]
AbstractPreprint at DDDUAB