来源:Ergodic Theory and Dynamical Systems, 2011, 31: 1537-1562.
DOI:10.1017/S0143385710000465
摘要
We show that for a C(l) generic subset of diffeomorphisms far from homoclinic tangencies, any infinite sequence of sinks or sources must accumulate on a homoclinic class of some saddle point with codimension one.