J. Llibre, C. Valls.
A note on the first integrals of the ABC system.
J. Math. Phys., 53, 1-5 (023505). 2012. [DOI] (Paper selected to be in Research Highlight Archive for 2012)
AbstractPreprint at DDDUAB

J. Llibre, C. Valls.
On the number of limit cycles of a class of polynomial differential systems.
Proc. R. Soc. Lond. Ser. A Math. Phys. Eng. Sci., 1-14. 2012. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, C. Valls.
Liouvillian and analytic first integrals for the Brusselator system.
J. Nonlinear Math. Phys., 19(2), 8 pp.. 2012. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, C. Valls.
On the integrability of a Muthuswamy-Chua system.
J. Nonlinear Math. Phys., 19(4), 1250029 (12 pages). 2012. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, C. Valls.
First integrals for a charged particle moving on a plane under the action of a magnetic field orthogonal to this plane.
Internat. J. Non-Linear Mech., 47, 965-967. 2012. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, C. Valls.
Polynomial first integrals for the Chen and Lu systems.
Internat. J. Bifur. Chaos Appl. Sci. Engrg., 22(11), 125022 (7 pages). 2012. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, C. Valls.
On the polynomial integrability of the Kirchoff's equations.
Phys. D, 241, 1417-1420. 2012. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, C. Valls.
Darboux integrability of a simplied Friedmann-Robertson-Walker Hamiltonian system.
J. Nonlinear Math. Phys., 19(4), 1250036 (11 pages). 2012. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, C. Vidal.
Periodic orbits and non-integrability in a cosmological scalar field.
J. Math. Phys., 53, 012702. 2012. [DOI]
AbstractPreprint at DDDUAB

J. Llibre, X. Zhang.
On the Darboux integrability of the polynomial differential systems.
Qual. Theory Dyn. Syst., 11, 129-144. 2012. [DOI]
AbstractPreprint at DDDUAB

A. Mahdi, M. Olufsen, J. Ottesen.
Qualitative aspects of a novel baroreceptor model.
In Proceedings of the International Workshop on Innovative Simulation for Health Care, 2012, . 2012. (Backfrieder, Bruzzone, Longo, Novak, Rosen, Eds.)
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A. Mahdi, C. Valls.
Analytic non-integrability of the Suslov problem.
J. Math. Phys., 53, 122901. 2012. [DOI]
AbstractPreprint at DDDUAB

D. D. Novaes.
Periodic orbits of some coupled differential equations.
Masters thesis, Universidade Estadual de Campinas, Campinas (Brasil), July, 2012.
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S. Pérez-González.
On the number of limit cycles for some families of planar differential equations.
PhD thesis, Universitat Autònoma de Barcelona, Bellaterra (Barcelona), September, 2012.
AbstractPreprint at DDDUAB

S. Rebollo-Perdomo.
Complete abelian integrals for polynomials whose generic fiber is biholomorphic to $ C^*$.
J. Math. Anal. Appl., 394, 562-570. 2012. [DOI]
AbstractPreprint at DDDUAB

J. Villadelprat.
Bifurcation of local critical periods in the generalized Loud's system.
Appl. Math. Comput., 218, 6803-6813. 2012. [DOI]
PreprintAbstractPreprint at DDDUAB

Ll. Alsedà, M. Misiurewicz.
A note on a rational difference equation.
J. Difference Equ. Appl., 1711-1713. 2011. [DOI]
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M. J. Álvarez, J. L. Bravo, M. Fernández.
Abel-like differential equations with a unique limit cycle.
Nonlinear Anal., 74, 3694-3702. 2011. [DOI]
AbstractPreprint at DDDUAB

M. J. Álvarez, A. Ferragut, X. Jarque.
A survey on the blow up technique.
Internat. J. Bifur. Chaos Appl. Sci. Engrg., 21(11), 3103-3118. 2011. [DOI]
AbstractPreprint at DDDUAB

J. C. Artés, J. Llibre, M. A. Teixeira.
A universal constant for semistable limit cycles.
Comput. Appl. Math., 30(2), 463-483. 2011. [DOI]
AbstractPreprint at DDDUAB