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Existence of positive solutions of fourth-order singular superlinear boundary value problems. - MaRDI portal

Existence of positive solutions of fourth-order singular superlinear boundary value problems. (Q1411767)

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scientific article; zbMATH DE number 1998903
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Existence of positive solutions of fourth-order singular superlinear boundary value problems.
scientific article; zbMATH DE number 1998903

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    Existence of positive solutions of fourth-order singular superlinear boundary value problems. (English)
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    2003
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    Consider the boundary value problem \[ u^{(4)}(t) = f(t,u(t),u''(t)),\quad u(0)=u(1)=u''(0)=u''(1)=0, \] with \(f \) superlinear in the second variable. The authors derive necessary and sufficient conditions for the existence of positive solutions to this problem.
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    positive solution
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