Jorba-Cuscó, Marc (Date of defense: 2019-03-01)
A dynamical system is one that evolves with time. This definition is so diffuse that seems to be completely useless, however, gives a good insight of the vast range of applicability of this field of ...
Miguel Baños, Narcís (Date of defense: 2016-12-21)
Apart from this introductory chapter, the contents of the thesis is splitted among four more chapters. Chapters 2, 3 and 4 deal with the planar case, while chapter 5 deals with the 3D volume preserving ...
Homs Pons, Roser (Date of defense: 2019-07-24)
En esta tesis abordamos el problema de la aproximación de anillos locales por anillos de Gorenstein en el caso cero-dimensional. Nos centramos en el estudio y el cálculo efectivo de la colongitud de ...
Hinojosa Calleja, Adrián (Date of defense: 2022-04-07)
We develop criteria for hitting probabilities of Gaussian random fields with associated canonical metric given by a class of gauge functions. This yields upper and lower bounds in terms of general notions ...
Gimeno i Alquézar, Joan (Date of defense: 2020-01-08)
This thesis deals with the jet transport for numerical integrators and the effective invariant object computation of delay differential equations. Firstly we study how automatic differentiation ...
Hermo Reyes, Eduardo (Date of defense: 2019-11-04)
This dissertation is devoted to developing modal logical tools that can be used in the field of proof theory and ordinal analysis. More precisely, we focus on the relation between strictly positive modal ...
Binotto, Giulia (Date of defense: 2018-04-13)
The aim of this dissertation is to present some new results on stochastic analysis. It consists on three works that deal with two Gaussian processes: the Brownian motion and the fractional Brownian ...
Soto Ballesteros, Eduardo (Date of defense: 2019-11-11)
Aquesta tesi té dos objectius. El primer és contribuir en la teoria de congruències entre formes modulars via representacions de Galois. El segon és resoldre nous problemes diofantins de tipus Fermat. ...
Nicolás Ávila, Begoña (Date of defense: 2022-04-22)
This dissertation is devoted to the analysis of the motion of small bodies, like asteroids, in the neighbourhood of the Earth-Moon system from a celestial mechanics approach. This is an extensive area ...
Baena Miret, Sergi (Date of defense: 2022-03-25)
An important result in Harmonic Analysis is the extrapolation theorem of Rubio de Francia. In its original version says that if T is a sublinear operator that is bounded in Lp0 pvq, for some p0 ě 1 and ...