Giovanni GALLAVOTTI
Dipartimento di Fisica Universita' La Sapienza P.le Moro 2 00185 Roma Italie giovanni@ipparco.roma1.infn.it
Arnold's diffusion in presence of strong perturbations.
Abstract: An illustration in a simple case of the general method used in the work by Chierchia Gallavotti and discussion of related problems in a priori stable systems