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Fractional Calculus and -Valently Starlike Functions


In this investigation, the authors prove coefficient bounds, distortion inequalities for fractional calculus of a family of multivalent functions with negative coefficients, which is defined by means of a certain nonhomogenous Cauchy-Euler differential equation.

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Correspondence to Öznur Özkan.

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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Altıntaş, O., Özkan, Ö. Fractional Calculus and -Valently Starlike Functions. J Inequal Appl 2009, 683985 (2009).

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  • Differential Equation
  • Fractional Calculus
  • Negative Coefficient
  • Full Article
  • Publisher Note