Abstract
This paper includes some new results and a survey of known bifurcations for a family of Filippov systems. Such a family is constituted by planar piecewise linear systems with a discontinuity line where the crossing set is maximal and it has two dynamics of focus type. From the natural 12 parameters needed we obtain, under some generic conditions, a Liénard canonical form topologically equivalent to the original system with only four parameters. We describe, taking into account the number of equilibria inside each zone of linearity: zero, one or two, the qualitatively different phase portraits that can occur and the bifurcations connecting them.
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Acknowledgements
Authors are partially supported by the Ministerio de Ciencia y Tecnología, Plan Nacional \(I + D + I\), in the frame of projects MTM2009-07849, MTM2012-31821 and by the Consejería de Educación y Ciencia de la Junta de Andalucía under the gants TIC-0130 and P08-FQM-03770.
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Freire, E., Ponce, E., Torres, F. (2013). Planar Filippov Systems with Maximal Crossing Set and Piecewise Linear Focus Dynamics. In: Ibáñez, S., Pérez del Río, J., Pumariño, A., Rodríguez, J. (eds) Progress and Challenges in Dynamical Systems. Springer Proceedings in Mathematics & Statistics, vol 54. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-38830-9_13
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DOI: https://doi.org/10.1007/978-3-642-38830-9_13
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