Boundary Value Problems volume 2010, Article number: 856932 (2010)
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 
.
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Hsu, TS. Multiple Positive Solutions for a Class of Concave-Convex Semilinear Elliptic Equations in Unbounded Domains with Sign-Changing Weights. Bound Value Probl 2010, 856932 (2010). https://doi.org/10.1155/2010/856932
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DOI: https://doi.org/10.1155/2010/856932