Institute for Mathematical Sciences

Preprint ims92-2

J. Graczyk, G. Swiatek, F.M. Tangerman,& J.J.P. Veerman
Scalings in Circle Maps III

Abstract: Circle maps with a flat spot are studied which are differentiable, even on the boundary of the flat spot. Estimates on the Lebesgue measure and the Hausdorff dimension of the non-wandering set are obtained. Also, a sharp transition is found from degenerate geometry similar to what was found earlier for non-differentiable maps with a flat spot to bounded geometry as in critical maps without a flat spot.
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