### Uniqueness of solutions for fourth-order nonlocal boundary value problems.

Henderson, Johnny, Ma, Ding (2006)

Boundary Value Problems [electronic only]

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Henderson, Johnny, Ma, Ding (2006)

Boundary Value Problems [electronic only]

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Henderson, Johnny (2009)

Electronic Journal of Qualitative Theory of Differential Equations [electronic only]

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Henderson, Johnny (1989)

International Journal of Mathematics and Mathematical Sciences

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M. Greguš (1974)

Annales Polonici Mathematici

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Józef Wenety Myjak (1973)

Annales Polonici Mathematici

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Henderson, Johnny, Johnson, Alvina M. (1999)

Electronic Journal of Differential Equations (EJDE) [electronic only]

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P. Ch. Tsamatos (2004)

Annales Polonici Mathematici

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We study a nonlocal boundary value problem for the equation x''(t) + f(t,x(t),x'(t)) = 0, t ∈ [0,1]. By applying fixed point theorems on appropriate cones, we prove that this boundary value problem admits positive solutions with slope in a given annulus. It is remarkable that we do not assume f≥0. Here the sign of the function f may change.

Xi, Shouliang, Jia, Mei, Ji, Huipeng (2009)

Electronic Journal of Qualitative Theory of Differential Equations [electronic only]

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A. Lasota (1975)

Annales Polonici Mathematici

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Ma, Ruyun (2007)

Applied Mathematics E-Notes [electronic only]

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K. S. Padmanabhan, R. Parvatham (1976)

Annales Polonici Mathematici

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Christopher C. Tisdell (2006)

Discussiones Mathematicae, Differential Inclusions, Control and Optimization

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This article investigates the existence of solutions to second-order boundary value problems (BVPs) for systems of ordinary differential inclusions. The boundary conditions may involve two or more points. Some new inequalities are presented that guarantee a priori bounds on solutions to the differential inclusion under consideration. These a priori bound results are then applied, in conjunction with appropriate topological methods, to prove some new existence theorems for solutions to...

Ashordia, M. (1995)

Memoirs on Differential Equations and Mathematical Physics

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Kwong, Man Kam, Wong, James S.W. (2007)

Boundary Value Problems [electronic only]

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