Abstract
This work is devoted to proving existence of positive solutions to a fourth-order semipositone \(\phi \)-Laplacian boundary problem. The nonlinearity may have time-singularity and change sign. Existence results are proved using the Krasnosel’skii and the Leggett-Williams fixed point theorems and examples of applications are provided.
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Bachouche, K., Benmezai, A. & Djebali, S. Positive solutions to semi-positone fourth-order \(\phi \)-Laplacian BVPs. Positivity 21, 193–212 (2017). https://doi.org/10.1007/s11117-016-0415-3
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DOI: https://doi.org/10.1007/s11117-016-0415-3