Cubic and quartic planar differential systems with exact algebraic limit cycles.
Bendjeddou, Ahmed, Cheurfa, Rachid (2011)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Bendjeddou, Ahmed, Cheurfa, Rachid (2011)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Hill, Joe M., Lloyd, Noel G., Pearson, Jane M. (2007)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Makoto Hayashi (2020)
Archivum Mathematicum
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In this paper, an improvement of the global region for the non-existence of limit cycles of the Bogdanov-Takens system, which is well-known in the Bifurcation Theory, is given by two ideas. The first is to apply the existence of the algebraic invariant curve of the system to the Bendixson-Dulac criterion, and the second is to consider a necessary condition in order that a closed orbit of the system includes two equilibrium points. In virtue of these methods, it shall be shown that our...
Nicklason, Gary R. (2010)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Oliver E. Glenn (1954)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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Amiran, Edoh Y. (1997)
The New York Journal of Mathematics [electronic only]
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Annales de la Faculté des sciences de Toulouse : Mathématiques
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Archivum Mathematicum
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