Collected results on semigroups, graphs and codes 

    Vico Oton, Albert (Date of defense: 2012-10-22)

    In this thesis we present a compendium of _ve works where discrete mathematics play a key role. The _rst three works describe di_erent developments and applications of the semigroup theory while the other two have more ...

    Toward a universal privacy and information-preserving framework for individual data exchange 

    Ruiz, Nicolas (Date of defense: 2019-09-25)

    Data on individual subjects, which are increasingly gathered and exchanged, provide a rich amount of information that can inform statistical and policy analysis in a meaningful way. However, due to the legal obligations ...