Now showing items 15-19 of 19
Perarnau Llobet, Guillem (Date of defense: 2013-10-01)
En aquesta tesi s'estudien diferents problemes en el camp de la combinatòria i la teoria de grafs, utilitzant el mètode probabilístic. Aquesta tècnica, introduïda per Erdős , ha esdevingut una eina molt potent per tal de ...
Pelayo Melero, Ignacio Manuel (Date of defense: 2000-03-13)
Esta tesis trata diversas cuestiones relacionadas con el diseño y estudio de redes de interconexión densas y fiables. Concretamente en ella se han incluido cuatro grupos de contribuciones. En primer lugar se presenta una ...
Herranz Sotoca, Javier (Date of defense: 2005-04-15)
Digital signatures are one of the most important consequences of the appearance of public key cryptography, in 1976. These schemes provide authentication, integrity and non-repudiation to digital communications. <br/>Some ...
Vena Cros, Lluís (Date of defense: 2012-07-02)
This thesis presents some contributions in additive combinatorics and arithmetic Ramsey theory. More specifically, it deals with the interaction between combinatorics, number theory and additive combinatorics. This area ...
Tramuns Figueras, Eulàlia (Date of defense: 2012-07-18)
Geometric constructions have been studied by mathematicians from ancient Greece until now. Although most attention has been given by the ruler and compass, during the last decades interest in this subject has revived, and ...