Journal of Inequalities and Applications
Volume 2008 (2008), Article ID 624989, 10 pages
Research Article

Gauss-Lobatto Formulae and Extremal Problems with Polynomials

Ana Maria Acu and Mugur Acu

Department of Mathematics, University “Lucian Blaga” of Sibiu, 5–7 Ion Ratiu Street, Sibiu 550012, Romania

Received 11 January 2007; Accepted 5 December 2007

Academic Editor: Jozsef Szabados

Copyright © 2008 Ana Maria Acu and Mugur Acu. 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.


Using quadrature formulae of the Gauss-Lobatto type, we give some new results for extremal problems with polynomials.