Boundary Value Problems
Volume 2008 (2008), Article ID 123823, 11 pages
Research Article

Existence and Uniqueness of Solutions for Singular Higher Order Continuous and Discrete Boundary Value Problems

Chengjun Yuan,1,2 Daqing Jiang,1 and You Zhang1

1School of Mathematics and Statistics, Northeast Normal University, Changchun 130024, Jilin, China
2School of Mathematics and Computer, Harbin University, Harbin 150086, Heilongjiang, China

Received 4 July 2007; Accepted 31 December 2007

Academic Editor: Raul Manasevich

Copyright © 2008 Chengjun Yuan 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 mixed monotone method, the existence and uniqueness are established for singular higher-order continuous and discrete boundary value problems. The theorems obtained are very general and complement previous known results.