The exhibition included a singular collection of 36 plaster geometrical sculptures which have been donated to Zaragoza University at the beginning of twentieth century by the mathematician Zoel Garcia de Galdeano. The collection, which had been started by Alexander Brill and Felix Klein, shows its parallelism with IMAGINARY pictures. Rector Prof. Manuel Lopez inaugurated opened on September 14th. The local committee was coordinated by Maite Lozano, with aid of Julio Bernues and of CAI Foundation.