Positive solutions for systems of nth order three-point nonlocal boundary value problems.
Henderson, J., Ntouyas, S.K. (2007)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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Henderson, J., Ntouyas, S.K. (2007)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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Jean Mawhin, Klaus Schmitt (1990)
Annales Polonici Mathematici
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Gennaro Infante, Paolamaria Pietramala (2010)
Mathematica Bohemica
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Utilizing the theory of fixed point index for compact maps, we establish new results on the existence of positive solutions for a certain third order boundary value problem. The boundary conditions that we study are of nonlocal type, involve Stieltjes integrals and are allowed to be nonlinear.
Harasim, Petr
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Schiop, Alexandru I. (1979)
Portugaliae mathematica
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D. R. Dunninger, Haiyan Wang (1998)
Annales Polonici Mathematici
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We study the existence and multiplicity of positive solutions of the nonlinear equation u''(x) + λh(x)f(u(x)) = 0 subject to nonlinear boundary conditions. The method of upper and lower solutions and degree theory arguments are used.
Ashordia, M. (1995)
Memoirs on Differential Equations and Mathematical Physics
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