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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Displaying similar documents to “A geometric approach to invariant sets for dynamical systems.”
Cubic and quartic planar differential systems with exact algebraic limit cycles.
Centres and limit cycles for an extended Kukles system.
Hill, Joe M., Lloyd, Noel G., Pearson, Jane M. (2007)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Constant invariant solutions of the Poincaré center-focus problem.
Nicklason, Gary R. (2010)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Invariants when the transformation is infinitesimal, and their relevance in bio-mathematics and in the theory of terrestrial magnetism
Oliver E. Glenn (1954)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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Integrable smooth planar billiards and evolutes.
Amiran, Edoh Y. (1997)
The New York Journal of Mathematics [electronic only]
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Persistence of homoclinic tangencies for area-preserving maps
Leonardo Mora, Neptalí Romero (1997)
Annales de la Faculté des sciences de Toulouse : Mathématiques
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Centroaffine invariants of plane curves in connection with the theory of the second-order linear differential equations
František Neuman (1968)
Archivum Mathematicum
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Analysis of an on-off intermittency system with adjustable state levels
Shi-Jian Cang, Zeng-Qiang Chen, Zhu Zhi Yuan (2008)
Kybernetika
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We consider a chaotic system with a double-scroll attractor proposed by Elwakil, composing with a second-order system, which has low-dimensional multiple invariant subspaces and multi-level on-off intermittency. This type of composite system always includes a skew-product structure and some invariant subspaces, which are associated with different levels of laminar phase. In order for the level of laminar phase be adjustable, we adopt a nonlinear function with saturation characteristic...