Aportaciones al estudio de los sistemas electorales 

    Sales i Inglès,Vicenç (Date of defense: 2016-01-28)

    An important question that modern societies have to decide is the election of some people who represent them and can also make some decisions. Mechanisms to do it are called Electoral Systems. In fact, there are a lot of ...

    Completion and decomposition of hypergraphs by domination hypergraphs 

    Ruiz Muñoz, José Luis (Date of defense: 2017-07-18)

    A graph consists of a finite non-empty set of vertices and a set of unordered pairs of vertices, called edges. A dominating set of a graph is a set of vertices D such that every vertex not in D is adjacent to some vertex ...