Nonnegative solutions to boundary value problems for nonlinear first and second order ordinary differential equations (Q1093786)

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scientific article; zbMATH DE number 4023734
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Nonnegative solutions to boundary value problems for nonlinear first and second order ordinary differential equations
scientific article; zbMATH DE number 4023734

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    Nonnegative solutions to boundary value problems for nonlinear first and second order ordinary differential equations (English)
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    1987
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    Mawhin's coincidence degree is used to establish sufficient conditions for the existence of nonnegative solutions for some first and second order nonlinear boundary value problems. Periodic, Neumann and Picard boundary conditions are considered with nonlinearity depending upon the first order derivative.
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    Neumann conditions
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    periodic boundary conditions
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    Mawhin's coincidence degree
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    second order nonlinear boundary value problems
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    Picard boundary conditions
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