Academic Editor: Guang Y. Zhang
Copyright © 2010 Meili Li and Haiqiang Liu. 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.
The Leray-Schauder alternative is used to investigate the
existence of solutions for second-order impulsive differential equations with nonlocal conditions
in Banach spaces. The results improve some recent results.