A. Ambrosetti (Trieste, Italy)
    F. Antonacci (Roma, Italy)
    P. Balint (Budapest, Hungary)
    I. Baldoma (Barcelona,Spain)
    G. Bellettini (Roma, Italy)
    G. Benettin (Padova, Italy)
    P. Bernard (Paris, France)
    M. Berti (Trieste, Italy)
    M. L. Bertotti (Palermo, Italy)
    U. Bessi (Roma, Italy)
    L. Biasco (Trieste, Italy)
    S. Bolotin (Moscow, Russia)
    E. Bosetto (Torino, Italy)
    S. Carillo (Roma, Italy)
    T. Carletti (Padova, Italy)
    C. Carminati (Pisa, Italy)
    A. Celletti (Roma, Italy)
    A. Chenciner (Paris, France)
    A. Chessa (Roma, Italy)
    L. Chierchia (Roma, Italy)
    P. Cipriani (Rieti, Italy)
    G. Cicogna (Pisa, Italy)
    M. Conti (Milano, Italy)
    V. Coti-Zelati (Napoli, Italy)
    J. Cresson (Besancon, France)
    G. Cruz-Pacheco (Mexico)
    G. Dell'Antonio (Roma, Italy)
    M.G. Della Penna (Nice, France)
    G. Del Magno (Atlanta, Usa)
    R. DeVille (Boston, Usa)
    H. Eliasson (Stockholm, Sweden)
    P. Esposito (Roma, Italy)
    C. Falcolini (Roma, Italy)
    L. Ferrara (Pescara, Italy)
    S. Ferrer (Murcia, Spain)
    M. Flexor (Paris, France)
    J.D. Fournier (Nice, France)
    C. Froeschle' (Nice, France)
    V. Gelfreich (Berlin, Germany)
    G. Gentile (Roma, Italy)
    M. Ghisi (Pisa, Italy)
    M. Girardi (Roma, Italy)
    G. Giorgi (Roma. Italy)
    M. Gobbino (Pisa, Italy)
    A. Gonzalez (Barcelona, Spain)
    M. Guzzo (Padova, Italy)
    J. Henrard (Namur, Belgique)
    M. Herman (Paris, France)
    H. Ito (Tokyo, Japan)
    A. Jorba (Barcelona, Spain)
    J. Laskar (Paris, France)
    J.T. Lazaro Ochoa (Barcelona, Spain)
    L. Lerman (Novgorod, Russian)
    M. Levi (State College, PA, USA)
    C. Liverani (Roma, Italy)
    U. Locatelli (Milano, Italy)
    M. Lo Schiavo (Roma, Italy)
    S. Luzzatto (Manchester, UK)
    G. Mancini (Roma, Italy)
    S.A. Marano (Reggio Calabria, Italy)
    J. Mather (Princeton, USA)
    D. Matthes (Berlin, Germany)
    D. McLaughlin (New York, USA)
    J. D. Meiss (Boulder, USA)
    P. Negrini (Roma, Italy)
    C. Nunez (Valladolid, Spain)
    J.R. Pacha (Barcelona, Spain)
    S. Paleari (Milano, Italy)
    E. Paturel (Paris, France)
    P. Perfetti (Roma, Italy)
    M. Pollicott (Manchester, England)
    M. Procesi (Roma, Italy)
    G. Pucacco (Roma, Italy)
    R. Pulcini (Rome, Italy)
    P. Rabinowitz (Madison, USA)
    P. Roselli (Roma, Italy)
    D. Sauzin (Paris, France)
    E. Serè (Paris, France)
    E. Serra (Torino, Italy)
    N. Sidorov (Manchester, UK)
    C. Simó (Barcelona, Spain)
    D. Szasz (Budapest, Hungary)
    S. Terracini (Milano, Italia)
    P.I. Toth (Budapest, Hungary)
    A. Tsygvintsev (Geneve, Switzerland)
    T. Varju (Budapest, Hungary)
    J. Villanueva (Barcelona, Spain)
    J. Winterberg (Zuerich, Switzerland)
    G. Verzini (Milano, Italy)
    J. Xia (Northwestern, USA)
    J.-C. Yoccoz (Paris, France)
    E. Zehnder (Zurigo, Switzerland)