Based on a previous theoretical result of the same authors the presen paper deals with discrete perturbed two-dimensional maps having a semi-hyperbolic fixed point. We give applicable sufficient conditions assuring a particular kind of bifurcation of homoclinic orbits when the perturbative parameter μ varies in a small neighborhood of zero: no homoclinic orbits when μ is on one side of zero, one homoclinic orbit when μ = 0, and infinite homoclinics when μ is on the other side of zero.
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Vol. 13 (1999)
Published: 1999-09-30