Maslov index, Poincaré–Birkhoff theorem and periodic solutions of asymptotically linear planar Hamiltonian systems A Margheri, C Rebelo, F Zanolin Journal of Differential Equations 183 (2), 342-367, 2002 | 67 | 2002 |

Persistence in seasonally forced epidemiological models C Rebelo, A Margheri, N Bacaër Journal of Mathematical Biology 64 (6), 933-949, 2012 | 51 | 2012 |

Dynamical behaviour of epidemiological models with sub-optimal immunity and nonlinear incidence MGM Gomes, A Margheri, GF Medley, C Rebelo Journal of mathematical biology 51 (4), 414-430, 2005 | 49 | 2005 |

Heterogeneity in susceptibility to infection can explain high reinfection rates P Rodrigues, A Margheri, C Rebelo, MGM Gomes Journal of theoretical biology 259 (2), 280-290, 2009 | 32 | 2009 |

Chaos in periodically perturbed planar Hamiltonian systems using linked twist maps A Margheri, C Rebelo, F Zanolin Journal of Differential Equations 249 (12), 3233-3257, 2010 | 31 | 2010 |

Generalized synchronization in linearly coupled time periodic systems A Margheri, R Martins Journal of Differential Equations 249 (12), 3215-3232, 2010 | 26 | 2010 |

On the use of Morse index and rotation numbers for multiplicity results of resonant BVPs A Margheri, C Rebelo, PJ Torres Journal of Mathematical Analysis and Applications 413 (2), 660-667, 2014 | 15 | 2014 |

Some examples of persistence in epidemiological models A Margheri, C Rebelo Journal of mathematical biology 46 (6), 564, 2003 | 15 | 2003 |

Persistence in some periodic epidemic models with infection age or constant periods of infection C Rebelo, A Margheri, N Bacaër Discrete & Continuous Dynamical Systems-B 19 (4), 1155, 2014 | 13 | 2014 |

Some analytical results about periodic orbits in the restricted three body problem with dissipation A Margheri, R Ortega, C Rebelo Celestial Mechanics and Dynamical Astronomy 113 (3), 279-290, 2012 | 12 | 2012 |

Dynamics of Kepler problem with linear drag A Margheri, R Ortega, C Rebelo Celestial Mechanics and Dynamical Astronomy 120 (1), 19-38, 2014 | 11 | 2014 |

A note on a modified version of the Poincaré–Birkhoff theorem J Campos, A Margheri, R Martins, C Rebelo Journal of Differential Equations 203 (1), 55-63, 2004 | 9 | 2004 |

Solution sets and boundary value problems in Banach spaces A Margheri, P Zecca Topological Methods in Nonlinear Analysis 2 (1), 179-188, 1993 | 9 | 1993 |

First-order differentiability of the flow of a system with*L*^{p} controlsRM Bianchini, A Margheri Journal of optimization theory and applications 89 (2), 293-310, 1996 | 8 | 1996 |

First integrals for the Kepler problem with linear drag A Margheri, R Ortega, C Rebelo Celestial Mechanics and Dynamical Astronomy 127 (1), 35-48, 2017 | 6 | 2017 |

Connected branches of initial points for asymptotic BVPs, with application to heteroclinic and homoclinic solutions A Margheri, C Rebelo, F Zanoliny Advanced Nonlinear Studies 9 (1), 95-135, 2009 | 6 | 2009 |

Flow regularity and optimality conditions with controls in L p A Margheri Mathematics of Control, Signals and Systems 9 (3), 189-206, 1996 | 6 | 1996 |

On a family of Kepler problems with linear dissipation A Margheri, R Ortega, C Rebelo Rend. Istit. Mat. Univ. Trieste 49, 265-286, 2017 | 5 | 2017 |

Heterogeneity in disease risk induces falling vaccine protection with rising disease incidence A Margheri, C Rebelo, MGM Gomes Dynamical Systems 32 (1), 148-163, 2017 | 5 | 2017 |

Chaotic dynamics of the Kepler problem with oscillating singularity A Margheri, PJ Torres Advanced Nonlinear Studies 16 (3), 551-567, 2016 | 5 | 2016 |