Morsbacher Strasse 10, 51545, Waldbröl, Germanyf1;Mathematisches Institut, Universität Würzburg, 97074, Würzburg, Germany, f2;Departamento de Informática, Universidad Técnica F. Santa María, Valparaíso, Chile, f3
Abstract:
The nth cyclic function is defined by
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We prove that if k is an integer with 1kn−1, then
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holds for all positive real numbers x with the best possible constantsα=1 and β= 2n-k over n.