Academic Editor: Guang Y. Zhang
Copyright © 2010 Piao-Piao Shi and Wen-Xia Wang. 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.
We investigate the infinite boundary value problems for second-order
impulsive differential equations with supremum by establishing a new comparison result
and using the lower and upper solution method, and obtain the existence results for their
maximal and minimal solutions.