|| Since 10 May 2000
the exhibition "Symmetry, playing with mirrors"
has been on permanent display in a lecture theatre in the Department
of Mathematics "F. Enriques" of the Universita' Statale,
Smaller early versions of the exhibition were staged at the
Department (for Science Week in 1998 and 1999) and at Erba,
as part of the
1997 exhibition "Games of light and mirrors"
organised by Liceo Scientifico Statale, Erba.