Semilinear Elliptic Equations for Beginners: Existence Results via the Variational Approach M Badiale, E Serra Springer Science & Business Media, 2010 | 229 | 2010 |

Non radial positive solutions for the Hénon equation with critical growth E Serra Calculus of Variations and Partial Differential Equations 23 (3), 301-326, 2005 | 105 | 2005 |

NLS ground states on graphs R Adami, E Serra, P Tilli Calculus of Variations and Partial Differential Equations 54 (1), 743-761, 2015 | 77 | 2015 |

Multiplicity results for the supercritical Hénon equation M Badiale, E Serra Advanced nonlinear studies 4 (4), 453-467, 2004 | 72 | 2004 |

Threshold phenomena and existence results for NLS ground states on metric graphs R Adami, E Serra, P Tilli Journal of Functional Analysis 271 (1), 201-223, 2016 | 66 | 2016 |

Multi-peak solutions for the H├® non equation with slightly subcritical growth A Pistoia, E Serra Mathematische Zeitschrift 256 (1), 75-97, 2007 | 65 | 2007 |

Noncollision solutions to some singular minimization problems with Keplerian-like potentials E Serra, S Terracini Nonlinear Analysis: Theory, Methods & Applications 22 (1), 45-62, 1994 | 62 | 1994 |

Negative Energy Ground States for the *L*^{2}-Critical NLSE on Metric GraphsR Adami, E Serra, P Tilli Communications in Mathematical Physics 352 (1), 387-406, 2017 | 57 | 2017 |

Collisionless periodic solutions to some three-body problems E Serra, S Terracini Archive for rational mechanics and analysis 120 (4), 305-325, 1992 | 53 | 1992 |

On the existence of homoclinic solutions for almost periodic second order systems E Serra, M Tarallo, S Terracini Annales de l'Institut Henri Poincare (C) Non Linear Analysis 13 (6), 783-812, 1996 | 48 | 1996 |

Periodic solutions for some nonlinear differential equations of neutral type E Serra Nonlinear Analysis: Theory, Methods & Applications 17 (2), 139-151, 1991 | 45 | 1991 |

Nonlinear wave equations as limits of convex minimization problems: proof of a conjecture by De Giorgi E Serra, P Tilli Annals of Mathematics, 1551-1574, 2012 | 41 | 2012 |

Subharmonic solutions to second-order differential equations with periodic nonlinearities E Serra, M Tarallo, S Terracini Nonlinear Analysis: Theory, Methods & Applications 41 (5-6), 649-667, 2000 | 40 | 2000 |

Monotonicity constraints and supercritical Neumann problems E Serra, P Tilli Annales de l'IHP Analyse non linéaire 28 (1), 63-74, 2011 | 38 | 2011 |

A note on the radial solutions for the supercritical Hénon equation V Barutello, S Secchi, E Serra Journal of mathematical analysis and applications 341 (1), 720-728, 2008 | 35 | 2008 |

Bound states of the NLS equation on metric graphs with localized nonlinearities E Serra, L Tentarelli Journal of Differential Equations 260 (7), 5627-5644, 2016 | 34 | 2016 |

On the lack of bound states for certain NLS equations on metric graphs E Serra, L Tentarelli Nonlinear Analysis: Theory, Methods & Applications 145, 68-82, 2016 | 30 | 2016 |

Non–continuation of the periodic oscillations of a forced pendulum in the presence of friction R Ortega, E Serra, M Tarallo Proceedings of the American Mathematical Society 128 (9), 2659-2665, 2000 | 29 | 2000 |

Multiple positive bound states for the subcritical NLS equation on metric graphs R Adami, E Serra, P Tilli Calculus of Variations and Partial Differential Equations 58 (1), 1-16, 2019 | 27 | 2019 |

A variational approach to chaotic dynamics in periodically forced nonlinear oscillators E Bosetto, E Serra Annales de l'Institut Henri Poincare (C) Non Linear Analysis 17 (6), 673-709, 2000 | 27 | 2000 |