A. Cima, A. Gasull, J. Torregrosa.
On the relation between index and multiplicity.
J. London Math. Soc. (2), 57(3), 757-768. 1998. [DOI]
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A. Cima, F. Mañosas, J. Villadelprat.
A Poincaré-Hopf theorem for noncompact manifolds.
Topology, 37(2), 261-277. 1998.
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S. Cotsakis, P. Leach, C. Pantazi.
Symmetries of homogeneous cosmologies.
Gravit. Cosmol., 4(4), 314-325. 1998.
Abstract

M. P. Dantas.
The foliation of the phase space for the 3-dimensional Kepler problem.
PhD thesis, Universitat Autònoma de Barcelona, 1998.
Abstract

N. Fagella.
Surgery on the limbs of the Mandelbrot set.
In Progress in holomorphic dynamics, 139-158. Longman, Harlow, 1998.
PreprintAbstract

A. Falcó.
The set of periods for a class of crazy maps.
J. Math. Anal. Appl., 217(2), 546-554. 1998.
Abstract

A. Gasull, J. Torregrosa.
Center problem for several differential equations via Cherkas' method.
J. Math. Anal. Appl., 228(2), 322-343. 1998. [DOI]
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B. Jiang, J. Llibre.
Minimal sets of periods for torus maps.
Discrete Contin. Dyn. Syst., 4(2), 301-320. 1998.
Abstract

J. Llibre.
Algebraic solutions and integrability for planar polynomial differential systems.
In IV Catalan Days of Applied Mathematics (Tarragona, 1998), 81-88. Univ. Rovira Virgili, Tarragona, 1998.
Abstract

J. Llibre.
Integrability and algebraic solutions for planar polynomial differential systems.
In XV CEDYA/V Congress on Applied Mathematics (Vigo, 1997), 45-51. Univ. Vigo, Vigo, 1998.
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J. Llibre, J. Paraños, J. Á. Rodríguez.
Periods for transversal maps on compact manifolds with a given homology.
Houston J. Math., 24(3), 397-407. 1998.
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J. Llibre, L. Pizarro, E. Ponce.
Limit cycles of polynomial Liénard systems. Comment on: "Number of limit cycles of the Liénard equation" [Phys. Rev. E (3) 56 (1997), no. 4, 3809-3813, MR 98f:34035] by H. Giacomini and S. Neukirch.
Phys. Rev. E, 58(4), 5185-5187. 1998.
Abstract

J. Llibre, G. Rodríguez.
On a class of cubic planar polynomial foliations.
Dyn. Contin. Discrete Impuls. Syst. Ser A: Math Anal., 4(1), 67-97. 1998.
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J. Llibre, J. Sotomayor.
Structural stability of constrained polynomial systems.
Bull. London Math. Soc., 30(6), 589-595. 1998.
Abstract

J. Llibre, J. Villadelprat.
A Poincaré index formula for surfaces with boundary.
Differential Integral Equations, 11(1), 191-199. 1998.
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D. L. Maranhão, J. Llibre.
Ejection-collision orbits and invariant punctured tori in a restricted four-body problem.
Celestial Mech. Dynam. Astronom., 71(1), 1-14. 1998.
Abstract

I. Puerari, C. García Gómez, A. Garijo.
On the relative orientation of binary galaxies.
In Galactic Halos: A UC Santa Cruz Workshop, proceedings of a Conference held on the campus of UC Santa Cruz 11-15 August 1997, 271-274. NASA ADS Astronomy, 1998.
Abstract

J. Torregrosa.
Singulars points and periodic orbits for a vector fields.
PhD thesis, Universitat Autònoma de Barcelona, July, 1998. (In Catalan. ISBN 978-84-490-1341-6)
Abstract

Ll. Alsedà.
Dynamical systems: the mathematics of Professor W. Szlenk.
Butl. Soc. Catalana Mat., 12(1), 7-16. 1997. ((In Catalan))
Abstract

Ll. Alsedà, S. L. Baldwin, J. Llibre, M. Misiurewicz.
Entropy of transitive tree maps.
Topology, 36(2), 519-532. 1997.
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