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Successive Bifurcations at Infinity for Second Order O.D.E.'s (pages 1-18)
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M. Sabatini
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Some Remarks About the Integration of Polynomials Planar
vector fields (pages 19-28)
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J. Moulen-Ollagnier |
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Limit Cycles for Planar Linear Differential
Systems via First Integral (pages 29-50) |
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J. Llibre, E. Nuñez & A. E. Teruel
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A Pseudo-Normal Form for Planar Vector Fields (pages 51-82) |
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A. Delshams, A. Guillamon & J.T. Lázaro
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Periodic Perturbations of an Isochronous Center (pages 83-92) |
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R. Ortega
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On the Geometric Structure of the Class of
Planar Quadratic Differential Systems (pages 93-122) |
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R. Roussarie & D. Schlomiuk
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Finite Cyclicity of Elementary Graphics Surrounding
a Focus or Center in Quadratic Systems (pages 123-156) |
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F. Dumortier, A. Guzmán & C. Rousseau
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On the Period Function of Centers in Planar
Polynomial Hamiltonian Systems of Degree Four. (pages 157-180) |
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X. Jarque & J. Villadelprat |
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Balanced Coordinates for Spiraling Dynamics (pages 181-226) |
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F. Sanz |
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Structurally Stable Discontinuous Vector Fields
in the Plane (pages 227-250) |
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J. Sotomayor & A. L. F. Machado |
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Geometry of Cycles in Quadratic Systems (pages 251-274) |
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D. S. Shafer & A. Zegeling |
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Period Function for Perturbed Isochronous Centers (pages 275-284)
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E. Freire, A. Gasull & A. Guillamon |
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