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Positive solutions for a beam equation on a nonlinear elastic foundation |
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| Affiliation: | Department of Mathematics, State University of Maringá 87020-900 Maringá, PR, Brazil |
| Abstract: | Positive solutions for a fourth-order differential equation with nonlinear boundary conditions modeling beams on elastic foundations are considered. The results are shown by using variational methods and a maximum principle for fourth-order equations. |
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