Research Article
Multiple Positive Solutions for a Class of Concave-Convex Semilinear Elliptic Equations in Unbounded Domains with Sign-Changing Weights
Center for General Education, Chang Gung University, Kwei-Shan, Tao-Yuan 333, Taiwan
Boundary Value Problems 2010, 2010:856932 doi:10.1155/2010/856932
Published: 21 October 2010Abstract
We study the existence and multiplicity of positive solutions for the following Dirichlet
equations: 
in 
, 
on 
, where 
, 
(
if 
; 
if 
), 
is a smooth unbounded domain in 
, 
, and 
satisfy suitable conditions, and 
maybe change sign in 
.
