Degenerate Hopf bifurcations in discontinuous planar systems B Coll, A Gasull, R Prohens Journal of mathematical analysis and applications 253 (2), 671-690, 2001 | 152 | 2001 |

Bifurcation of limit cycles from two families of centers B Coll, A Gasull, R Prohens Dynamics of Continuous, Discrete and Impulsive Systems Series A …, 2005 | 100 | 2005 |

Canards, folded nodes, and mixed-mode oscillations in piecewise-linear slow-fast systems M Desroches, A Guillamon, E Ponce, R Prohens, S Rodrigues, AE Teruel SIAM review 58 (4), 653-691, 2016 | 65 | 2016 |

Differential equations defined by the sum of two quasi-homogeneous vector fields B Coll, A Gasull, R Prohens Canadian Journal of Mathematics 49 (2), 212-231, 1997 | 60 | 1997 |

Limit cycles for rigid cubic systems A Gasull, R Prohens, J Torregrosa Journal of mathematical analysis and applications 303 (2), 391-404, 2005 | 51 | 2005 |

Quadratic perturbations of a class of quadratic reversible systems with two centers B Coll, C Li, R Prohens Discrete and Continuous Dynamical Systems 24 (3), 699-729, 2009 | 39 | 2009 |

Slow–fast n-dimensional piecewise linear differential systems R Prohens, AE Teruel, C Vich Journal of Differential Equations 260 (2), 1865-1892, 2016 | 36 | 2016 |

Limit cycles bifurcating from a perturbed quartic center B Coll, J Llibre, R Prohens Chaos, Solitons & Fractals 44 (4-5), 317-334, 2011 | 28 | 2011 |

The center problem for discontinuous Liénard differential equation B Coll, R Prohens, A Gasull International Journal of Bifurcation and Chaos 9 (09), 1751-1761, 1999 | 28 | 1999 |

Bifurcation of limit cycles from a polynomial non-global center A Gasull, R Prohens, J Torregrosa Journal of Dynamics and Differential Equations 20 (4), 945-960, 2008 | 26 | 2008 |

Quadratic and cubic systems with degenerate infinity A Gasull, R Prohens Journal of Mathematical Analysis and Applications 198 (1), 25-34, 1996 | 26 | 1996 |

New lower bounds for the Hilbert numbers using reversible centers R Prohens, J Torregrosa Nonlinearity 32 (1), 331, 2018 | 25 | 2018 |

Canard trajectories in 3D piecewise linear systems R Prohens, AE Teruel Discrete Contin. Dyn. Syst 33 (3), 4595-4611, 2013 | 25 | 2013 |

Center-focus and isochronous center problems for discontinuous differential equations B Coll, A Gasull, R Prohens Discrete and Continuous Dynamical Systems 6 (3), 609-624, 2000 | 21 | 2000 |

Piecewise-linear (PWL) canard dynamics: Simplifying singular perturbation theory in the canard regime using piecewise-linear systems M Desroches, S Fernández-García, M Krupa, R Prohens, AE Teruel Nonlinear Systems, Vol. 1: Mathematical Theory and Computational Methods, 67-86, 2018 | 19 | 2018 |

Centers and limit cycles for a family of Abel equations MJ Álvarez, JL Bravo, M Fernández, R Prohens Journal of Mathematical Analysis and Applications 453 (1), 485-501, 2017 | 18 | 2017 |

Topological classification of polynomial complex differential equations with all the critical points of centre type MJ Alvarez, A Gasull, R Prohens Journal of Difference Equations and Applications 16 (5-6), 411-423, 2010 | 17 | 2010 |

Asymptotic lower bounds on Hilbert numbers using canard cycles MJ Álvarez, B Coll, P De Maesschalck, R Prohens Journal of Differential Equations 268 (7), 3370-3391, 2020 | 14 | 2020 |

Alien limit cycles in Liénard equations B Coll, F Dumortier, R Prohens Journal of Differential Equations 254 (3), 1582-1600, 2013 | 14 | 2013 |

Configurations of critical points in complex polynomial differential equations MJ Álvarez, A Gasull, R Prohens Nonlinear Analysis: Theory, Methods & Applications 71 (3-4), 923-934, 2009 | 14 | 2009 |