Journal of Inequalities and Applications
Volume 2006 (2006), Article ID 29828, 6 pages

On some Turán-type inequalities

A. Laforgia and P. Natalini

Department of Mathematics, Roma Tre University, Largo San Leonardo Murialdo, Rome 100146, Italy

Received 14 September 2005; Accepted 20 September 2005

Copyright © 2006 A. Laforgia and P. Natalini. 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.


We prove Turán-type inequalities for some special functions by using a generalization of the Schwarz inequality.