The parameterization method for invariant manifolds I: manifolds associated to non-resonant subspaces X Cabré, E Fontich, R De la Llave Indiana University mathematics journal, 283-328, 2003 | 333 | 2003 |

The parameterization method for invariant manifolds III: overview and applications X Cabré, E Fontich, R De La Llave Journal of Differential Equations 218 (2), 444-515, 2005 | 320 | 2005 |

Effective stability for a Hamiltonian system near an elliptic equilibrium point, with an application to the restricted three body problem A Giorgilli, A Delshams, E Fontich, L Galgani, C Simó Journal of differential equations 77 (1), 167-198, 1989 | 287 | 1989 |

The parameterization method for invariant manifolds II: regularity with respect to parameters X Cabré, E Fontich, R De la Llave Indiana University mathematics journal, 329-360, 2003 | 224 | 2003 |

The splitting of separatrices for analytic diffeomorphisms E Fontich, C Simó Ergodic Theory and Dynamical Systems 10 (2), 295-318, 1990 | 156 | 1990 |

Construction of invariant whiskered tori by a parameterization method. Part I: Maps and flows in finite dimensions E Fontich, R de la Llave, Y Sire Journal of Differential Equations 246 (8), 3136-3213, 2009 | 76 | 2009 |

Invariant manifolds for near identity differentiable maps and splitting of separatrices E Fontich, C Simó Ergodic Theory and Dynamical Systems 10 (2), 319-346, 1990 | 62 | 1990 |

Exponentially small splitting of separatrices beyond Melnikov analysis: rigorous results I Baldomá, E Fontich, M Guardia, TM Seara Journal of Differential Equations 253 (12), 3304-3439, 2012 | 49 | 2012 |

The parameterization method for one-dimensional invariant manifolds of higher dimensional parabolic fixed points I Baldomá, E Fontich, R De La Llave, P Martín Discrete and continuous dynamical systems 17 (4), 835, 2007 | 47 | 2007 |

Arnold diffusion in perturbations of analytic integrable Hamiltonian systems E Fontich, P Martín Discrete and Continuous Dynamical Systems 7 (1), 61-84, 2001 | 47 | 2001 |

Differentiable invariant manifolds for partially hyperbolic tori and a lambda lemma E Fontich, P Martín Nonlinearity 13 (5), 1561, 2000 | 47 | 2000 |

Rapidly forced planar vector fields and splitting of separatrices E Fontich Journal of differential equations 119 (2), 310-335, 1995 | 47 | 1995 |

Exponentially small upper bounds for the splitting of separatrices for high frequency periodic perturbations E Fontich Nonlinear Analysis: Theory, Methods & Applications 20 (6), 733-744, 1993 | 41 | 1993 |

General scaling law in the saddle–node bifurcation: a complex phase space study E Fontich, J Sardanyés Journal of Physics A: Mathematical and Theoretical 41 (1), 015102, 2007 | 39 | 2007 |

Invariant manifolds for a class of parabolic points J Casasayas, E Fontich, A Nunes Nonlinearity 5 (5), 1193, 1992 | 36 | 1992 |

Stable manifolds associated to fixed points with linear part equal to identity I Baldomá, E Fontich Journal of Differential Equations 197 (1), 45-72, 2004 | 32 | 2004 |

Stable curves asymptotic to a degenerate fixed point E Fontich Nonlinear analysis 35 (6), 711-733, 1999 | 31 | 1999 |

Transversal homoclinic points of a class of conservative diffeomorphisms E Fontich Journal of Differential Equations 87 (1), 1-27, 1990 | 31 | 1990 |

A method for the study of whiskered quasi-periodic andalmost-periodic solutions in finite and infinite dimensionalHamiltonian systems E Fontich, R de la Llave, Y Sire Electronic Research Announcements 16, 9-22, 2009 | 29 | 2009 |

Exponentially small splitting of invariant manifolds of parabolic points I Baldomá, E Fontich Memoirs of the American Mathematical Society, 2004, vol. 167, num. 792, 2004 | 26 | 2004 |