Tatjer i Montaña, Joan Carles (Date of defense: 1990-03-01)
It is known that for the study of continuous dynamical systems the discret case plays an important role because, with it we can study the continuous one by using the Poincaré return map. In the discret ...
Haro, Àlex (Date of defense: 1998-10-02)
We have divided this thesis in four parts:<br/><br/>a) PART I: Exact symplectic geometry (introduction of the problems). This part contains the basic tools of symplectic geometry and outlines the four ...