Fractal codimension of nilpotent contact points in two-dimensional slow-fast systems

Peter De Maesschalck, Renato Huzak, Ansfried Janssens +1

In this paper we introduce the notion of fractal codimension of a nilpotent contact point $p$, for $\lambda ={\lambda }_0$, in smooth planar slow$-$fast systems $X_{\epsilon ,\lambda }$ when the contact order $n…