B. Coll, A. Gasull, R. Prohens.
Singular limit cycles for a class of differential equations.
In International Conference on Differential Equations (Barcelona, 1991), 404-409. World Sci. Publishing, River Edge NJ, 1993.
Abstract

J. Delgado, E. A. Lacomba, J. Llibre, E. Pérez-Chavela.
Poincaré compactification of the collinear three-body problem.
In Hamiltonian systems and celestial mechanics (Guanajuato, 1991), 85-100. World Sci. Publishing, River Edge NJ, 1993.
Abstract

J. Gambaudo, J. Llibre.
A note on the periods of surface homeomorphisms.
J. Math. Anal. Appl., 177(2), 627-632. 1993.
Abstract

A. Gasull.
On polynomial systems with invariant algebraic curves.
In International Conference on Differential Equations (Barcelona, 1991), 531-537. World Sci. Publishing, River Edge NJ, 1993.
Abstract

A. Gasull.
Polynomial systems with enough invariant algebraic curves.
In Dynamical systems (Tianjin, 1990/1991), 73-78. World Sci. Publishing, River Edge NJ, 1993.
Abstract

A. Gasull, A. Guillamon.
Nonexistence of limit cycles for some predator-prey systems.
In International Conference on Differential Equations (Barcelona, 1991), 538-543. World Sci. Publishing, River Edge NJ, 1993.
Abstract

E. A. Lacomba, J. Llibre.
Hamiltonian systems and celestial mechanics.
World Scientific Publishing Co. Inc., River Edge NJ, 1993. Proceedings of the International Symposium held in Guanajuato, September 30-October 4, 1991.
Abstract

J. Llibre.
A note on the set of periods for Klein bottle maps.
Pacific J. Math., 157(1), 87-93. 1993.
Abstract

J. Llibre.
Bounded polynomial vector fields. II.
In Dynamical systems (Tianjin, 1990/1991), 126-136. World Sci. Publishing, River Edge NJ, 1993.
Abstract

J. Llibre.
Lefschetz numbers for periodic points.
In Nielsen theory and dynamical systems (South Hadley, MA, 1992), 215-227. Amer. Math. Soc., Providence RI, 1993.
Abstract

J. Llibre.
Periodic orbits of periodic differential systems.
In International Conference on Differential Equations (Barcelona, 1991), 177-184. World Sci. Publishing, River Edge NJ, 1993.
Abstract

J. Llibre, M. Misiurewicz.
Horseshoes, entropy and periods for graph maps.
Topology, 32(3), 649-664. 1993.
Abstract

J. Llibre, J. Soler.
Global flow of the rotating Kepler problem.
In Hamiltonian systems and celestial mechanics (Guanajuato, 1991), 125-140. World Sci. Publishing, River Edge NJ, 1993.
Abstract

J. Llibre, R. Swanson.
Periodic points for transversal maps on surfaces.
Houston J. Math., 19(3), 395-403. 1993.
Abstract

D. L. Maranhão.
Study of the flow of a restricted problem of four bodys.
Masters thesis, Universitat Autònoma de Barcelona, Bellaterra, June, 1993. (In Portuguese)
Abstract

J. Torregrosa.
Multiplicity and index. Aplications to the qualitative study of differential equations on the plane.
Masters thesis, Universitat Autònoma de Barcelona, July, 1993. (In Catalan)
Abstract

Ll. Alsedà, A. Falcó.
An entropy formula for a class of circle maps.
C. R. Acad. Sci. Paris Ser. I Math., 314(9), 677-682. 1992.
Abstract

Ll. Alsedà, J. Gambaudo, P. Mumbrú.
Sur la reconnaissance des itinéraires de rotations.
C. R. Acad. Sci. Paris Ser. I Math., 314(6), 467-470. 1992.
Abstract

Ll. Alsedà, F. Mañosas.
The monotonicity of the entropy for a family of degree one circle maps.
Trans. Amer. Math. Soc., 334(2), 651-684. 1992.
AbstractFull PDF

J. Casasayas, J. Llibre, A. Nunes.
Algebraic properties of the Lefschetz zeta function, periodic points and topological entropy.
Publ. Mat., 36(2A), 467-472 (1993). 1992.
Abstract