Now showing items 41-44 of 44

    On the Meromorphic Non-Integrability of Some Problems in Celestial Mechanics 

    Simon i Estrada, Sergi (Date of defense: 2007-07-09)

    In this thesis, we present a proof of the meromorphic non-integrability for some problems arising from Celestial Mechanics, as well as a new necessary condition for partial integrability in a wider Hamiltonian setting. ...

    Intervals de marques 

    Jorba Jorba, Lambert (Date of defense: 2003-05-26)

    El sistema de les marques s'enquadra dins del camp de l'anàlisi intervalar modal. <br/>En aquest context la tesi aporta un estudi de les operacions lineals, de la seva semàntica i sobretot de la seva operativitat quan les ...

    Estabilitat efectiva i tors invariants de sistemes hamiltonians quasi-integrables 

    Gutiérrez i Serrés, Pere (Date of defense: 1995-06-02)

    La memòria recull contribucions a diversos aspectes del problema de l'estabilitat en sistemes hamiltonians quasi-integrables. Aquests aspectes inclouen resultats d'estabilitat efectiva, que comporten el confinament de ...

    Contribution to the Study of Fourier Methods for Quasi-Periodical Functions and the Vicinity of the Collinear Libration Points 

    Mondelo González, José María (Date of defense: 2001-07-13)

    This works has been organized in three parts. The first (Chapter 1 to 5) is dedicated to the development and study of a procedure for the accurate computation of frequencies, as well ans the related Fourier coefficients, ...