Open Access

Extension of Oppenheim's Problem to Bessel Functions

Journal of Inequalities and Applications20082007:082038

DOI: 10.1155/2007/82038

Received: 10 September 2007

Accepted: 22 October 2007

Published: 16 January 2008


Our aim is to extend some trigonometric inequalities to Bessel functions. Moreover, we deduce the hyperbolic analogue of these trigonometric inequalities, and we extend these inequalities to modified Bessel functions.


Authors’ Affiliations

Faculty of Economics, Babeş-Bolyai University
Department of Mathematics, Zhejiang Gongshang University


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© Á, Baricz and L. Zhu 2007

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.