Journal of Inequalities and Applications 
Volume 2006 (2006), Article ID 15704, 13 pages
doi:10.1155/JIA/2006/15704

L∞-error analysis for a system of quasivariational inequalities with noncoercive operators

Messaoud Boulbrachene1 and Samira Saadi2

 1Department of Mathematics & Statistics, College of Science, Sultan Qaboos University, P.O. Box 36, Muscat 123, Oman
2Departement de Mathématiques, Faculté des Sciences, Université d'Annaba, BP 12, Annaba 23000, Algeria
Received 11 July 2005; Revised 14 November 2005; Accepted 18 December 2005

Abstract

This paper deals with a system of elliptic quasivariational inequalities with noncoercive operators. Two different approaches are developed to prove L∞-error estimates of a continuous piecewise linear approximation.