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Open Access

Fractional Calculus and -Valently Starlike Functions

Journal of Inequalities and Applications20092009:683985

Received: 18 November 2008

Accepted: 28 February 2009

Published: 16 March 2009


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.


Differential EquationFractional CalculusNegative CoefficientFull ArticlePublisher Note

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Authors’ Affiliations

Department of Matematics Education, Başkent University, Bağlıca, Turkey
Department of Statistics and Computer Sciences, Başkent University, Bağlıca, Turkey


© O. Altıntaş and Ö.Özkan. 2009

This article is published under license to BioMed Central Ltd. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.