J. Llibre, L. A. Roberto.
On the periodic orbits and the integrability of the regularized Hill lunar problem.
J. Math. Phys., 52(8), 082701. 2011. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, R. Saghin.
The index of singularities of vector fields and finite jets.
J. Differential Equations, 251, 2822-2832. 2011. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, C. Stoica.
Comet and Hill-type periodic orbits in restricted (n+1)-body problems.
J. Differential Equations, 250, 1747-1766. 2011. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, G. Swirszcz.
On the limit cycles of polynomial vector field.
Dyn. Contin. Discrete Impuls. Syst. Ser A: Math Anal., 18, 203-221. 2011.
AbstractPreprint at DDDUAB

J. Llibre, C. Valls.
Classification of the centers and their isochronicity for a class of polynomial differential systems of arbitrary degree.
Adv. Math., 227, 472-493. 2011. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, C. Valls.
Analytic integrability of quadratic-linear polynomial differential systems.
Ergodic Theory Dynam. Systems, 31, 245-258. 2011. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, C. Valls.
Hopf bifurcation for some analytic differential systems in $\mathbb R^3$ via averaging theory.
Discrete Contin. Dyn. Syst., 30(3), 779-790. 2011. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, C. Valls.
On the $\mathcal C^1$ non-integrability of differential systems via periodic orbits.
European J. Appl. Math., 22, 381-391. 2011. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, C. Valls.
On the $\mathcal C^1$ non-integrability of the Belousov-Zhabotinskii system.
Comput. Math. Appl., 62, 2342-2348. 2011. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, C. Valls.
Polynomial, rational and analytic first integrals for a family of 3-dimensional Lotka-Volterra systems.
Z. Angew. Math. Phys., 62, 761-777. 2011. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, C. Valls.
Liouvillian first integrals of quadratic-linear polynomial differential systems.
J. Math. Anal. Appl., 379, 188-199. 2011. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, X. Zhang.
On the Hopf-zero bifurcation of the Michelson system.
Nonlinear Anal. Real World Appl., 12, 1650-1653. 2011. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, Y. Zhao.
On the polynomial vector fields on $\mathbb S^2$.
Proc. Roy. Soc. Edinburgh Sect. A, 141A, 1055-1069. 2011. [DOI]
AbstractPreprint at DDDUAB

A. Mahdi, C. Pessoa, D. S. Shafer.
Centers on center manifolds in the Lu system.
Phys. Lett. A, 375, 3509-3511. 2011. [DOI]
AbstractPreprint at DDDUAB

A. Mahdi, C. Valls.
The integrability of the Nose-Hoover equation.
J. Geom. Phys., 61, 1348-1352. 2011. [DOI]
AbstractPreprint at DDDUAB

F. Mañosas, J. Villadelprat.
Bounding the number of zeros of certain Abelian integrals.
J. Differential Equations, 251, 1656-1669. 2011. [DOI]
AbstractPreprint at DDDUAB

D. Martí Pete.
Dynamic rays for transcendental holomorphic self-maps of $\mathbb C$ and $\mathbb C^*$.
Masters thesis, Universitat de Barcelona, October, 2011.
AbstractFull PDF

L. Morales.
Dinámica combinatoria para a funciones skew-product en el cilindro.
Masters thesis, Universitat Autònoma de Barcelona, February, 2011.
AbstractPreprint at DDDUAB

A. C. Rezende.
Two methods for looking for limit cycles bifurcating from centers.
Masters thesis, Univesidade de Sao Paulo, 2011. (In portuguese)
AbstractPreprint at DDDUAB

S. Serna.
Analysis and numerical approximation of viscosity solutions with shocks: application to the plasma equation.
In Advances in Mathematical and Computational Methods: addressing modern challenges of science, technology, and society, 41-44. American Institute of Physics, Maryland, 2011. [DOI]
AbstractPreprint at DDDUAB