The meeting has the sponsorship of the Group for Mathematical Physics
of the University of Lisbon, of the Associação Portuguesa de
Linguística and is supported by the Fundação para a Ciência e
a Tecnologia (FCT) (Portugal). The organizers express their
gratitude to the agencies and laboratories which made this meeting
possible by providing individual support to most foreigner
participants: CNPq, FAPESP, FINEP, Universidade de S.Paulo, UNICAMP
(Brazil), CNRS, Ecole Polytechnique and Université de Bourgogne
(France), CNR and Università di Roma La Sapienza (Italy),
Universidade de Lisboa and Fundação Gulbenkian (Portugal),
Bell Labs and NSF (USA) . We thank the Câmara Municipal de
Cascais for inviting the participants of the meeting to visit the
town.