Abstract
In this work we consider the homoclinic bifurcations of expanding periodic points. After Marotto, when homoclinic orbits to expanding periodic points exist, the points are called snap-back-repellers. Several proofs of the existence of chaotic sets associated with such homoclinic orbits have been given in the last three decades. Here we propose a more general formulation of Marotto’s theorem, relaxing the assumption of smoothness, considering a generic piecewise smooth function, continuous or discontinuous. An example with a two-dimensional smooth map is given and one with a two-dimensional piecewise linear discontinuous map.
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Gardini, L., Tramontana, F. Snap-back repellers in non-smooth functions. Regul. Chaot. Dyn. 15, 237–245 (2010). https://doi.org/10.1134/S1560354710020115
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DOI: https://doi.org/10.1134/S1560354710020115