Boundary Value Problems
Volume 2011 (2011), Article ID 635767, 21 pages
doi:10.1155/2011/635767
Research Article

Existence and Lyapunov Stability of Periodic Solutions for Generalized Higher-Order Neutral Differential Equations

1Department of Mathematics, Zhengzhou University, Zhengzhou 450001, China
2Department of Mathematics, The University of Hong Kong, Pokfulam Road, Hong Kong

Received 17 May 2010; Accepted 23 June 2010

Academic Editor: Feliz Manuel Minhós

Copyright © 2011 Jingli Ren 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.

Abstract

Existence and Lyapunov stability of periodic solutions for a generalized higher-order neutral differential equation are established.