In this article we consider the problem
where is a positive parameter. We assume there exist and such that for all . We prove that there exists a positive such that there are at least two positive solutions for and a unique positive solution for . Also we show that is a bifurcation point in .
Submitted May 13, 2008. Published November 04, 2008.
Math Subject Classifications: 35A15, 35J20, 35J25, 35J65.
Key Words: Nonhomogeneous semilinear elliptic problems; bifurcation.
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| Kuan-Ju Chen |
Department of Applied Science, Naval Academy
P.O. BOX 90175 Zuoying, Taiwan
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