Existence and multiplicity of positive solutions for singular $\phi$-Laplacian superlinear problems with nonlinear boundary conditions
- 1 January 2021
- journal article
- research article
- Published by University of Szeged in Electronic Journal of Qualitative Theory of Differential Equations
- No. 65,p. 1-13
- https://doi.org/10.14232/ejqtde.2021.1.65
Abstract
We prove the existence and multiplicity of positive solutions to the singular phi-Laplacian BVP {-r(t)phi(u'))' = lambda g(t) (f(u) - a/u(alpha)), t is an element of(0,1), u(0) = 0, u'(1) + H(U(1)) = 0 for a certain range of the parameter lambda > 0, where a > 0, alpha is an element of (0,1), phi is an odd, increasing and convex homeomorphism on R, and f is phi-superlinear at infinity.Keywords
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