Ortega Aramburu, Joaquín Mª (Date of defense: 1972-01-01)
Esta memoria recoge algunos de los puntos fundamentales e inéditos que han aparecido al iniciar un estudio sobre los métodos espectrales en Análisis y, en particular, sobre los anillos y estructuras ...
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 ...
Carro Rossell, María Jesús (Date of defense: 1988-01-30)
El primer resultado de interpolación de operadores data del año 1911 y es debido a I. Schur. Dos años más tarde, Young prueba un resultado del mismo tipo referente a espacios Lp y a un operador L La ...
Reyes Estany, Miguel (Date of defense: 2017-02-27)
The visual analysis of humans is one of the most active research topics in Computer Vision. Several approaches for body pose recovery have been recently presented, allowing for better generalization of ...
Silvestre Albero, María Pilar (Date of defense: 2012-02-08)
The first part of the thesis is devoted to the analysis on a capacity space, with capacities as substitutes of measures in the study of function spaces. The goal is to extend to the associated function ...
Sánchez Taltavull, Daniel (Date of defense: 2014-12-12)
L'objectiu principal d'aquesta tesi doctoral és l'estudi de l'efecte de les fluctuacions en poblacions acoblades en sistemes biològics, on cèl·lules en estat latent juguen un paper important. Intentant ...
Taixés i Ventosa, Jordi (Date of defense: 2011-09-22)
Newton's method associated to a complex holomorphic function f is defined by the dynamical system Nf(z) = z – f(z) / f'(z). As a root-finding algorithm, a natural question is to understand the dynamics ...
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 ...
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 ...
Puertas i Prats, Eloi (Date of defense: 2014-11-04)
Over the past few decades, machine learning (ML) algorithms have become a very useful tool in tasks where designing and programming explicit, rule-based algorithms are infeasible. Some ...