Qualitative theory of dynamical systems

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  Año 2002, Vol. 3, Número 1

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    Successive Bifurcations at Infinity for Second Order

    Marco Sabatini

    págs. 1-18

    
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    Some Remarks About the Integration of Polynominal Planar Vector Fields

    J. M. Ollagnier

    págs. 19-28

    
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    Limit Cycles for Planar Linear Differential Systems via Firste Integral

    Jaume Llibre , E Nuñez, Antonio Esteban Teruel Aguilar

    págs. 29-50

    
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    A pseudo-Normal Form for Planar Vector Fields

    José Tomás Lázaro Ochoa , Amadeu Delshams i Valdés , Antoni Guillamon Grabolosa

    págs. 51-82

    
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    Periodic Perturbations of an Isochronous Cneter

    R. Ortega

    págs. 83-92

    
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    On the Geometric Structure of the Class of Planar Quadratic Differential Systems

    Robert H. Roussarie , Dana Schlomiuk

    págs. 93-122

    
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    Finite Cyclicity of Elementary Graphics a Surrounding Focus or Center in Quadratic Systems

    Antonio Guzmán, Freddy Dumortier

    págs. 123-156

    
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    On the Period Function of Centers in Planar Polynomial Hamiltonian Systems of Degree Four

    Xavier Jarque Ribera , Jordi Villadelprat Yagüe

    págs. 157-180

    
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    Balanced Coordinates for Spiraling Dynamics

    Fernando Sanz Sánchez

    págs. 181-226

    
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    Structurally Stable Discontinuous Vector Fields in the Plane

    Jorge Sotomayor, A.L.F. Machado

    págs. 227-250

    
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    Geometry of Cycles in Quadratic Systems

    Douglas S. Shafer, A Zegeling

    págs. 251-274

    
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    Period Function for Perturbet Isochronous Centers

    Armengol Gasull i Embid , Antoni Guillamon Grabolosa , Emilio Freire Macías

    págs. 275-284