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Rational rotation numbers for maps of the circle
Authors:Grzegorz Świątek
Affiliation:1. Department of Mathematics, Institute of Mathematics, PKiN, 9-th floor, PL-00-901, Warsaw, Poland
Abstract:We consider families of maps of the circle of degree 1 which are homeomorphisms but not diffeomorphisms, that is maps like
$$x to x + t + frac{c}{{2pi }}sin (2pi x)(bmod 1)$$
Keywords:
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