Qualitative Theory of Planar Differential Systems von Dumortier, Freddy, Llibre, Jaume, Artés, Joan C

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Geometric Configurations of Singularities of Planar Polynomial Differential Systems: A Global Classification in the Quadratic Case von Artés, Joan C, Llibre, Jaume, Schlomiuk, Dana, Vulpe, Nicolae

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Structurally Unstable Quadratic Vector Fields of Codimension Two: Families Possessing One Finite Saddle-Node and a Separatrix Connection von Artés, Joan C.

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Abel quadratic differential systems of second kind von Artes, Joan C., Llibre, Jaume, Schlomiuk, Dana, Vulpe, Nicolae

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Complete geometric invariant study of two classes of quadratic systems von Joan C. Artes, Jaume Llibre, Nicolae Vulpe

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Uniform isochronous cubic and quartic centers: Revisited von Artés, Joan C., Itikawa, Jackson, Llibre, Jaume

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Structurally Unstable Quadratic Vector Fields of Codimension Two: Families Possessing Either a Cusp Point or Two Finite Saddle-Nodes von Artés, Joan C., Oliveira, Regilene D. S., Rezende, Alex C.

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Global Topological Configurations of Singularities for the Whole Family of Quadratic Differential Systems von Artés, Joan C., Llibre, Jaume, Schlomiuk, Dana, Vulpe, Nicolae

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Structurally Unstable Quadratic Vector Fields of Codimension One von Artés, Joan C, Llibre, Jaume, Rezende, Alex C

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When singular points determine quadratic systems von Nicolae Vulpe, Jaume Llibre, Joan C. Artes

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Piecewise linear differential systems with two real saddles von Artés, Joan C., Llibre, Jaume, Medrado, Joao C., Teixeira, Marco A.

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Global configurations of singularities for quadratic differential systems with exactly three finite singularities of total multiplicity four von Artés, Joan, Llibre, Jaume, Schlomiuk, Dana, Vulpe, Nicolae

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Structurally unstable quadratic vector fields of codimension two: families possessing a finite saddle-node and an infinite saddle-node von Artés, Joan, Mota, Marcos, Rezende, Alex

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Quadratic systems with an integrable saddle: A complete classification in the coefficient space von Artés, Joan C., Llibre, Jaume, Vulpe, Nicolae

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FROM TOPOLOGICAL TO GEOMETRIC EQUIVALENCE IN THE CLASSIFICATION OF SINGULARITIES AT INFINITY FOR QUADRATIC VECTOR FIELDS von ARTÉS, JOAN C., LLIBRE, JAUME, SCHLOMIUK, DANA, VULPE, NICOLAE

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A universal constant for semistable limit cycles von Artés, Joan C., Llibre, Jaume, Teixeira, Marco Antonio

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Quadratic systems with a polynomial first integral: A complete classification in the coefficient space R 12 von Artés, Joan C., Llibre, Jaume, Vulpe, Nicolae

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Global Configurations of Singularities for Quadratic Differential Systems with Total Finite Multiplicity Three and at Most Two Real Singularities von Artés, Joan C., Llibre, Jaume, Schlomiuk, Dana, Vulpe, Nicolae

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Geometric configurations of singularities for quadratic differential systems with three distinct real simple finite singularities von Artés, Joan C., Llibre, Jaume, Schlomiuk, Dana, Vulpe, Nicolae

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Limit cycles near hyperbolas in quadratic systems von Artés, Joan C., Dumortier, Freddy, Llibre, Jaume

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