M. Caubergh, J. Torregrosa.
Global phase portraits of some reversible cubic centers with noncollinear singularities.
Internat. J. Bifur. Chaos Appl. Sci. Engrg., 23(9), 1350161 (30 pages). 2013. [DOI]
PreprintAbstractPreprint at DDDUAB

A. Cima, A. Gasull, V. Mañosa.
Integrability and non-integrability of periodic non-autonomous Lyness recurrences.
Dyn. Syst., 28(4), 518-538. 2013. [DOI]
PreprintAbstractPreprint at DDDUAB

A. Cima, A. Gasull, V. Mañosa.
Global periodicity conditions for maps and recurrences via normal forms.
Internat. J. Bifur. Chaos Appl. Sci. Engrg., 23(11), 1350182 (18 pages). 2013. [DOI]
AbstractPreprint at DDDUAB

A. Cima, A. Gasull, F. Mañosas.
An explicit bound of the number of vanishing double moments forcing composition.
J. Differential Equations, 255, 339-350. 2013. [DOI]
PreprintAbstractFull PDFPreprint at DDDUAB

A. Cima, A. Gasull, F. Mañosas.
A simple solution of some composition conjectures for Abel equations.
J. Math. Anal. Appl., 398(2), 477-486. 2013. [DOI]
AbstractPreprint at DDDUAB

I. Colak, J. Llibre, C. Valls.
Local analytic first integrals of planar analytic differential systems.
Phys. Lett. A, 377(15), 1065-1069. 2013. [DOI]
AbstractPreprint at DDDUAB

B. Coll, F. Dumortier, R. Prohens.
Alien limit cycles in Liénard equations.
J. Differential Equations, 254, 1582-1600. 2013. [DOI]
AbstractPreprint at DDDUAB

M. Corbera, J. Llibre.
Double-antiprism central configurations of the 3n-body problem.
Qual. Theory Dyn. Syst., 12, 11-24. 2013. [DOI]
AbstractPreprint at DDDUAB

M. Corbera, J. Llibre.
On the existence of bi-pyramidal central configurations of the n+2-body problem with an n-gon base.
Discrete Contin. Dyn. Syst., 33(3), 1049-1060. 2013. [DOI]
AbstractPreprint at DDDUAB

N. Duruk-Mutlubaş, A. Geyer.
Orbital stability of solitary waves of moderate amplitude in shallow water.
J. Differential Equations, 255(2), 254-263. 2013. [DOI]
AbstractPreprint at DDDUAB

M. Falconi, E. Gonzalez-Olivares, J. Llibre.
Zero-Hopf bifurcation in a predator-prey model.
Sci. Math. Jpn., 76(1), 119-127. 2013.
AbstractPreprint at DDDUAB

B. Fercec, A. Mahdi.
Center conditions and cyclicity for a family of cubic systems: computer algebra approach.
Math. Comput. Simulation, 87, 55-67. 2013. [DOI]
AbstractPreprint at DDDUAB

A. Ferragut, J. Llibre, C. Pantazi.
Polynomial vector fields in $ R^3$ with infinitely many limit cycles.
Internat. J. Bifur. Chaos Appl. Sci. Engrg., 23(2), 1350029. 2013. [DOI]
AbstractPreprint at DDDUAB

A. Ferragut, J. Llibre, C. Pantazi.
Analytic integrability of the Bianchi Class A cosmological models with $0\leq k < 1$.
Chaos Solitons Fractals, 48, 12-21. 2013. [DOI]
AbstractPreprint at DDDUAB

A. Ferragut, J. Llibre, C. Pantazi.
On the absence of analytic integrability of the Bianchi Class B cosmological models.
Chaos, 23, 013119. 2013. [DOI]
AbstractPreprint at DDDUAB

J. Figueras, W. Tucker, J. Villadelprat.
Computer-assisted techniques for the verification of the Chebyshev property of Abelian integrals.
J. Differential Equations, 254, 2647-3663. 2013. [DOI]
PreprintAbstractPreprint at DDDUAB

J. D. García Saldaña, A. Gasull.
A theoretical basis for the Harmonic Balance method.
J. Differential Equations, 254(1), 67-80. 2013. [DOI]
PreprintAbstractFull PDFPreprint at DDDUAB

B. García, J. Llibre, J. S. Pérez del Río.
Planar quasi-homogeneous polynomial differential systems and their integrability.
J. Differential Equations, 255(10), 3185-3204. 2013. [DOI]
AbstractPreprint at DDDUAB

I. A. García, J. Llibre, S. Maza.
Cyclicity of a simple focus via the vanishing multiplicity of inverse integrating factors.
J. Differential Equations, 255(11), 3880-3896. 2013. [DOI]
AbstractPreprint at DDDUAB

A. Garijo, S. M. Marotta, E. D. Russell.
Singular perturbations in the quadratic family with multiple poles.
J. Difference Equ. Appl., 19, 124-145. 2013. [DOI]
AbstractPreprint at DDDUAB