Abstracts related to Special Sessions should be submitted, before March 15 2002, to one of the organizers of the Session.

Abstracts relative to the ten-minutes talks Sessions (to which we have dedicated one classroom for three days) should be submitted to the following e-mail address: sbordone@unina.it, with the subject "contribution".

Please submit your abstract, before March 15 2002, by e-mail using the instructions contained in the file abstract.tex