Bifurcation sets of continuous piecewise linear systems with two zones E Freire, E Ponce, F Rodrigo, F Torres International Journal of Bifurcation and Chaos 8 (11), 2073-2097, 1998 | 314 | 1998 |

Canonical discontinuous planar piecewise linear systems E Freire, E Ponce, F Torres SIAM Journal on Applied Dynamical Systems 11 (1), 181-211, 2012 | 213 | 2012 |

Continuation of periodic orbits in conservative and Hamiltonian systems FJ Munoz-Almaraz, E Freire, J Galán, E Doedel, A Vanderbauwhede Physica D: Nonlinear Phenomena 181 (1-2), 1-38, 2003 | 170 | 2003 |

On simplifying and classifying piecewise-linear systems V Carmona, E Freire, E Ponce, F Torres IEEE Transactions on Circuits and Systems I: Fundamental Theory and …, 2002 | 140 | 2002 |

A general mechanism to generate three limit cycles in planar Filippov systems with two zones E Freire, E Ponce, F Torres Nonlinear Dynamics 78 (1), 251-263, 2014 | 132 | 2014 |

Variable-angle phase-shifted PWM for multilevel three-cell cascaded H-bridge converters A Marquez, JI Leon, S Vazquez, R Portillo, LG Franquelo, E Freire, ... IEEE Transactions on Industrial Electronics 64 (5), 3619-3628, 2017 | 108 | 2017 |

A case study for homoclinic chaos in an autonomous electronic circuit: A trip from Takens-Bogdanov to Hopf-©il'nikov E Freire, AJ Rodriguez-Luis, E Gamero, E Ponce Physica D: Nonlinear Phenomena 62 (1-4), 230-253, 1993 | 92 | 1993 |

Limit cycle bifurcation from center in symmetric piecewise-linear systems E Freire, E Ponce, J Ros International Journal of Bifurcation and Chaos 9 (05), 895-907, 1999 | 90 | 1999 |

Periodicity and chaos in an autonomous electronic system E Freire, L Franquelo, J Aracil IEEE transactions on circuits and systems 31 (3), 237-247, 1984 | 85 | 1984 |

Limit Cycle Bifurcation in 3D Continuous Piecewise Linear Systems with Two Zones: Application to Chua's Circuit V Carmona, E Freire, E Ponce, J Ros, F Torres International Journal of Bifurcation and Chaos 15 (10), 3153-3164, 2005 | 84 | 2005 |

Bifurcation of invariant cones in piecewise linear homogeneous systems V Carmona, E Freire, E Ponce, F Torres International Journal of Bifurcation and Chaos 15 (08), 2469-2484, 2005 | 78 | 2005 |

A note on the triple-zero linear degeneracy: normal forms, dynamical and bifurcation behaviors of an unfolding E Freire, E Gamero, AJ Rodríguez-Luis, A Algaba International Journal of Bifurcation and Chaos 12 (12), 2799-2820, 2002 | 78 | 2002 |

The discontinuous matching of two planar linear foci can have three nested crossing limit cycles E Freire, E Ponce, F Torres Publicacions matematiques, 221-253, 2014 | 74 | 2014 |

Isochronicity via normal form A Algaba, E Freire, E Gamero Qualitative Theory of Dynamical Systems 1, 133-156, 2000 | 72 | 2000 |

Hypernormal form for the Hopf-zero bifurcation A Algaba, E Freire, E Gamero International Journal of Bifurcation and Chaos 8 (10), 1857-1887, 1998 | 70 | 1998 |

The continuous matching of two stable linear systems can be unstable V Carmona, E Freire, E Ponce, F Torres Discrete and continuous dynamical systems 16 (3), 689-703, 2006 | 68 | 2006 |

The focus-center-limit cycle bifurcation in symmetric 3D piecewise linear systems E Freire SIAM Journal on Applied Mathematics 65 (6), 1933-1951, 2005 | 65 | 2005 |

First derivative of the period function with applications E Freire, A Gasull, A Guillamon Journal of Differential Equations 204 (1), 139-162, 2004 | 61 | 2004 |

Quasi-homogeneous normal forms A Algaba, E Freire, E Gamero, C Garcıa Journal of computational and applied mathematics 150 (1), 193-216, 2003 | 59 | 2003 |

Canards in piecewise-linear systems: explosions and super-explosions M Desroches, E Freire, SJ Hogan, E Ponce, P Thota Proceedings of the Royal Society A: Mathematical, Physical and Engineering …, 2013 | 56 | 2013 |