Copyright © 2010 Peng Zhang and Jia-Feng Liao. 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 singular semilinear elliptic problem in , in , on , is considered, where is a bounded domain with smooth boundary in , , and are three positive constants. Some existence or nonexistence results are obtained for solutions of this problem by the sub-supersolution method.