Lavila Vidal, Olga (Date of defense: 1999-01-01)
The aim of this work is to study the ring-theoretic properties of the diagonals of a Rees algebra, which from a geometric point of view are the homogenous coordinate rings of embeddings of blow-ups of ...
Miró-Roig, Rosa M. (Rosa Maria) (Date of defense: 1985-01-01)
Esta memoria pretende contribuir al estudio de haces reflexivos sobre espacios proyectivos en los dos aspectos siguientes: (A) Caracterización de las clases de Chern de haces reflexivos sobre espacios ...
Montes, Jesús (Date of defense: 1999-09-01)
La teoría algebraica de números tiene sus inicios en los trabajos de Kummer sobre la ecuación de Fermat. En los anillos ciclotómicos deja de ser cierto el teorema fundamental de la aritmética: los ...
Cirici, Joana (Date of defense: 2012-06-23)
In the present work, we analyse the categories of mixed Hodge complexes and mixed Hodge diagrams of differential graded algebras in these two directions: we prove the existence of both a Cartan-Eilenberg ...
Milione, Piermarco (Date of defense: 2016-01-29)
The main purpose of this dissertation is to introduce Shimura curves from the non-Archimedean point of view, paying special attention to those aspects that can make this theory amenable for computations. ...