Discrete Dynamics in Nature and Society
Volume 2009 (2009), Article ID 629749, 8 pages
doi:10.1155/2009/629749
Nonexistence and radial symmetry of positive solutions of semilinear elliptic systems
Zhengce Zhang
and Liping Zhu
College of Science, Xi'an Jiaotong University, Xi'an 710049, China
Abstract
Nonexistence and radial symmetry of positive solutions for a class of semilinear elliptic systems are considered via the method of moving spheres.