| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 843470 | Nonlinear Analysis: Theory, Methods & Applications | 2009 | 17 Pages |
Abstract
In this paper, we show that there exist λ>2λ>2 and C>0C>0 such that a(x)−1≥−Ce−λ|x|for all x∈RN, the nonlinear elliptic problem −Δu+u=a(x)|u|p−2u+f(x)−Δu+u=a(x)|u|p−2u+f(x) in RNRN has a solution that changes sign in RNRN, in addition to two positive solutions.
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Authors
Kuan-Ju Chen,