A. Guillamon, X. Jarque, J. Llibre, J. Ortega, J. Torregrosa.
Periods for transversal maps via Lefschetz numbers for periodic points.
Trans. Amer. Math. Soc., 347(12), 4779-4806. 1995. [DOI]
AbstractFull PDF

X. Jarque.
Planar vector fields: Hamiltonian systems, polynomial foliations and structural stability.
PhD thesis, Universitat Autònoma de Barcelona, 1995.
Abstract

X. Jarque, J. Llibre.
Global structural stability of planar Hamiltonian vector fields.
In Hamiltonian dynamical systems (Cincinnati, OH, 1992), 171-180. Springer, New York, 1995.
Abstract

M. C. Leseduarte, J. Llibre.
On the set of periods for $\sigma$ maps.
Trans. Amer. Math. Soc., 347(12), 4899-4942. 1995.
Abstract

C. Li, J. Llibre, Z. Zhang.
Weak focus, limit cycles, and bifurcations for bounded quadratic systems.
J. Differential Equations, 115(1), 193-223. 1995.
Abstract

C. Li, J. Llibre, Z. Zhang.
Abelian integrals of quadratic Hamiltonian vector fields with an invariant straight line.
Publ. Mat., 39(2), 355-366. 1995.
Abstract

J. Llibre.
Some conjectures on planar polynomial vector fields and straight lines.
In 2nd Catalan Days on Applied Mathematics (Odeillo, 1995), 183-187. Presses Univ. Perpignan, Perpignan, 1995.
Abstract

J. Llibre, J. Paraños, J. Á. Rodríguez.
On the extension of Sharkovskii's theorem to connected graphs with non-positive Euler characteristic.
In Thirty years after Sharkovskii's Theorem: New perspectives (Murcia, 1994), 133-143. World Sci. Publishing, River Edge NJ, 1995. (Reprint of the paper reviewed in [MR 97c:58039])
Abstract

J. Llibre, J. Paraños, J. Á. Rodríguez.
On the extension of Sharkovskii's theorem to connected graphs with non-positive Euler characteristic.
Internat. J. Bifur. Chaos Appl. Sci. Engrg., 5(5), 1395-1405. 1995.
Abstract

J. Llibre, D. G. Saari.
Periodic orbits for the planar Newtonian three-body problem coming from the elliptic restricted three-body problems.
Trans. Amer. Math. Soc., 347(8), 3017-3030. 1995.
Abstract

D. L. Maranhão.
Study of the flow of a restricted 4-body problem.
PhD thesis, Universitat Autònoma de Barcelona, 1995.
Abstract

Ll. Alsedà, A. Falcó.
Devil's staircase route to chaos in a forced relaxation oscillator.
Ann. Inst. Fourier (Grenoble), 44(1), 109-128. 1994.
Abstract

Ll. Alsedà, J. Gambaudo, P. Mumbrú.
Stable heteroclinic cycles and symbolic dynamics.
Chaos, 4(2), 407-419. 1994.
Abstract

Ll. Alsedà, X. D. Ye.
Minimal sets of maps of Y.
J. Math. Anal. Appl., 187(1), 324-338. 1994.
Abstract

J. C. Artés, J. Llibre.
Phase portraits for quadratic systems having a focus and one antisaddle.
Rocky Mountain J. Math., 24(3), 875-889. 1994.
Abstract

J. C. Artés, J. Llibre.
Quadratic Hamiltonian vector fields.
J. Differential Equations, 107(1), 80-95. 1994.
Abstract

E. A. Belbruno, J. Llibre, M. Ollé.
On the families of periodic orbits which bifurcate from the circular Sitnikov motions.
Celestial Mech. Dynam. Astronom., 60(1), 99-129. 1994.
Abstract

J. Casasayas, J. Llibre, A. Nunes.
Central configurations of the planar 1+n-body problem.
Celestial Mech. Dynam. Astronom., 60(2), 273-288. 1994.
Abstract

J. Casasayas, J. Llibre, A. Nunes.
Periods and Lefschetz zeta functions.
Pacific J. Math., 165(1), 51-66. 1994.
Abstract

J. Chavarriga.
Integrable systems in the plane with center type linear part.
Appl. Math. (Warsaw), 22(2), 285-309. 1994.
Abstract