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Symmetric planar non-collinear relative equilibria for the Lennard-Jones potential 3-body problem with two equal masses.
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M. Corbera, J. Llibre, E. Pérez-Chavela.
Equilibrium points and central configurations for the Lennard-Jones 2 and 3 body problems.
Celestial Mech. Dynam. Astronom., 89, 235-266. 2004.
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J. M. Cors, J. Llibre.
The global flow of the parabolic restricted three-body problem.
Celestial Mech. Dynam. Astronom., 90(01/02/09), 13-33. 2004.
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J. M. Cors, J. Llibre, M. Ollé.
Central configurations of the planar coorbital satellite problem.
Celestial Mech. Dynam. Astronom., 89(4), 319-342. 2004.
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J. Delgado, E. A. Lacomba, J. Llibre.
New advances in celestial mechanics and Hamiltonian systems.
Kluwer Academic/Plenum Publishers, New York, 2004.
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P. Dominguez, N. Fagella.
Existence of Herman rings for meromorphic functions.
Complex Var. Theory Appl., 49(12), 851-870. 2004. [DOI]
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N. Fagella, T. Martinez-Seara, J. Villanueva.
Asymptotic size of Herman rings of the complex standard family.
Ergodic Theory Dynam. Systems, 24, 735-766. 2004. [DOI]
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A. Falcó, J. Guardiola.
A simulation approach to the valuation of capital budgeting projects incorporating a defer option.
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M. Falconi, E. A. Lacomba, J. Llibre.
On the parameter dependence of the real cubic surfaces in Arnold's form.
Rend. Circ. Mat. Palermo (2), 53(2), 153-164. 2004.
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M. Falconi, J. Llibre.
N-1 independent first integrals for linear differential systems in $\mathbb R^n$ and $\mathbb C^n$.
Qual. Theory Dyn. Syst., 4(2), 233-254. 2004.
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E. Freire, A. Gasull, A. Guillamon.
First derivative of the period function with applications.
J. Differential Equations, 204(1), 139-162. 2004.
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E. Freire, A. Gasull, A. Guillamon.
A characterization of isochronous centres in terms of symmetries.
Rev. Mat. Iberoam., 20(1), 205-222. 2004.
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I. A. García, J. Giné.
Non-algebraic invariant curves for polynomial planar vector fields.
Discrete Contin. Dyn. Syst., 10(3), 755-768. 2004.
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A. Garijo, A. Gasull, X. Jarque.
Normal forms for singularities of one dimensional holomorphic vector fields.
Electron. J. Differential Equations, 2004(122), 1-7. 2004.
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A. Gasull, A. Guillamon, J. Villadelprat.
The period function for second-order quadratic ODEs is monotone.
Qual. Theory Dyn. Syst., 4(2), 329-352. 2004.
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J. Giné.
Analytic integrability and characterization of centers for generalized nilpotent singular points.
Appl. Math. Comput., 148(3), 849-868. 2004.
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J. Giné.
Analytic integrability and characterization of centers for nilpotent singular points.
Z. Angew. Math. Phys., 55(5), 725-740. 2004.
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J. Giné.
On the existence of limit cycles for some class of polynomial planar systems.
Differ. Equ. Dyn. Syst., 12(03/04/09), 289-299. 2004.

J. Giné, J. Llibre.
Integrability and algebraic limit cycles for polynomial differential systems with homogeneous nonlinearities.
J. Differential Equations, 197(1), 147-161. 2004.
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J. Giné, X. Santallusia.
Implementation of a new algorithm of computation of the Poincaré-Liapunov constants.
J. Comput. Appl. Math., 166(2), 465-476. 2004.
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