| Invariant tori in the secular motions of the three-body planetary systems U Locatelli, A Giorgilli Celestial Mechanics and Dynamical Astronomy 78 (1-4), 47-74, 2000 | 84 | 2000 |
| Kolmogorov theorem and classical perturbation theory A Giorgilli, U Locatelli Zeitschrift für angewandte Mathematik und Physik ZAMP 48, 220-261, 1997 | 75 | 1997 |
| Kolmogorov and Nekhoroshev theory for the problem of three bodies A Giorgilli, U Locatelli, M Sansottera Celestial Mechanics and Dynamical Astronomy 104, 159-173, 2009 | 59 | 2009 |
| On the construction of the Kolmogorov normal form for the Trojan asteroids F Gabern, A Jorba, U Locatelli Nonlinearity 18 (4), 1705, 2005 | 54 | 2005 |
| Invariant tori in the Sun-Jupiter-Saturn system U Locatelli, A Giorgilli DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS SERIES B 7 (2), 377, 2007 | 53 | 2007 |
| Improved estimates on the existence of invariant tori for Hamiltonian systems A Celletti, A Giorgilli, U Locatelli Nonlinearity 13 (2), 397, 2000 | 46 | 2000 |
| On classical series expansions for quasi-periodic motions A Giorgilli, U Locatelli MPEJ 3, 1-25, 1997 | 44 | 1997 |
| Physical properties of the jet from DG Tauri on sub-arcsecond scales with HST/STIS L Maurri, F Bacciotti, L Podio, J Eislöffel, TP Ray, R Mundt, U Locatelli, ... Astronomy & Astrophysics 565, A110, 2014 | 43 | 2014 |
| On the stability of the secular evolution of the planar Sun–Jupiter–Saturn–Uranus system M Sansottera, U Locatelli, A Giorgilli Mathematics and Computers in Simulation 88, 1-14, 2013 | 39 | 2013 |
| Secular dynamics of a planar model of the Sun-Jupiter-Saturn-Uranus system; effective stability in the light of Kolmogorov and Nekhoroshev theories A Giorgilli, U Locatelli, M Sansottera Regular and Chaotic Dynamics 22, 54-77, 2017 | 36 | 2017 |
| Construction of Kolmogorov's normal form for a planetary system U Locatelli, A Giorgilli Regular and Chaotic Dynamics 10 (2), 153-171, 2005 | 32 | 2005 |
| A classical self-contained proof of Kolmogorov’s theorem on invariant tori A Giorgilli, U Locatelli Hamiltonian systems with three or more degrees of freedom, 72-89, 1999 | 31 | 1999 |
| A semi-analytic algorithm for constructing lower dimensional elliptic tori in planetary systems M Sansottera, U Locatelli, A Giorgilli Celestial Mechanics and Dynamical Astronomy 111, 337-361, 2011 | 28 | 2011 |
| A HST study of the environment of the Herbig Ae/Be star LkHα 233 and its bipolar jet S Melnikov, J Woitas, J Eislöffel, F Bacciotti, U Locatelli, TP Ray Astronomy & Astrophysics 483 (1), 199-208, 2008 | 28 | 2008 |
| Kolmogorov’s normal form for equations of motion with dissipative effects L Stefanelli, U Locatelli Discrete Contin. Dynam. Systems 17 (7), 2561-2593, 2012 | 24 | 2012 |
| On the convergence of an algorithm constructing the normal form for elliptic lower dimensional tori in planetary systems A Giorgilli, U Locatelli, M Sansottera Celestial Mechanics and Dynamical Astronomy 119, 397-424, 2014 | 21 | 2014 |
| On the break-down threshold of invariant tori in four dimensional maps A Celletti, C Falcolini, U Locatelli Regular and Chaotic Dynamics 9 (3), 227-253, 2004 | 21 | 2004 |
| A reverse KAM method to estimate unknown mutual inclinations in exoplanetary systems M Volpi, U Locatelli, M Sansottera Celestial Mechanics and Dynamical Astronomy 130, 1-17, 2018 | 15 | 2018 |
| Three-body planetary problem: study of KAM stability for the secular part of the Hamiltonian U Locatelli Planetary and space science 46 (11-12), 1453-1464, 1998 | 13 | 1998 |
| Computer-assisted estimates for Birkhoff normal forms C Caracciolo, U Locatelli arXiv preprint arXiv:2102.05959, 2021 | 12 | 2021 |
