Symmetry and uniqueness of nonnegative solutions of some problems in the halfspace
arXiv:1212.0516 · doi:10.1016/j.jmaa.2013.02.048
Abstract
We derive some 1-D symmetry and uniqueness or non-existence results for nonnegative solutions of some elliptic system in the halfspace in low dimension. Our method is based upon a combination of Fourier series and Liouville theorems.