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 ...
Jorba i Monte, Àngel (Date of defense: 1991-10-11)
In this work we study several topics concerning quasi-periodic time-dependent perturbations of ordinary differential equations. This kind of equations appear as models in many applied problems of Celestial ...
Casasayas i Mas, Josefa (Date of defense: 1984-01-01)
The anisotropic Kepler problem was introduced by Gutzwiller as a classical mechanical system which approximates the following quantum mechanical system: the study of bound states of an electron near a ...
Pérez Palau, Daniel (Date of defense: 2015-11-30)
L’objectiu d’aquesta tesi és afegir una petita fulla a l’arbre del coneixement. En particular a la branca del sistemes dinàmics. La teoria de sistemes dinàmics és la branca de les matemàtiques que estudia ...