Vieri MASTROPIETRO Dip. di Mathematica, II Universita di Roma Tor Vergata Via Della Ricerca Scientifica 20 ROMA Italy mastropi@mat.uniroma2.it Lower bounds for homoclinic splitting. Some examples. II.
Abstract : In a three time scales model, coming from a problem of celestial mechanics, a lower bound for the homoclinic splitting is found,by exploiting suitable cancellations. From such bound the existence of heteroclinic chains can be proved.