Journal of Inequalities and Applications
Volume 2006 (2006), Article ID 12040, 12 pages
Differential inequalities method to th-order boundary value problems
Department of Mathematics, Xuzhou Normal University, Xuzhou 221116, China
Received 31 March 2005; Revised 18 October 2005; Accepted 7 December 2005
Copyright © 2006 Guangwa Wang et al. 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.
By the theory of differential inequality, bounding function method,
and the theory of topological degree, this paper presents the
existence criterions of solutions for the general th-order differential equations under nonlinear boundary conditions, and
extends many existing results.