New advances about a conjecture on Helly circle graphs. - Juan Manuel Barrionuevo; Aureliano Calvo; Guillermo Durán; Fábio Protti (Electron. Notes Discret. Math., 2004)

An Oblivious Password Cracking Server. - Aureliano Calvo; Ariel Futoransky; Carlos Sarraute (CoRR, 2013)