Stokes, Klara (Date of defense: 2011-10-18)
This thesis treats a protocol for anonymous database search (or if one prefer, a protocol for user-private information retrieval), that is based on the use of combinatorial configurations. The protocol ...
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 ...