On the Existence of Positive Solutions f
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H.Y. Wang
📂
Article
📅
1994
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Elsevier Science
🌐
English
⚖ 180 KB
We study the existence of positive radial solutions of \(A u+g(|x|) f(u)=0\) in annuli with Dirichlet (Dirichlet/Neumann) boundary conditions. We prove that the problems have positive radial solutions on any annulus if \(f\) is sublinear at 0 and \(\infty . \quad C 1994\) Academic Press, Inc.