Positive solutions of a second-order three-point boundary value problem via functional compression-expansion

J. Ehrke, Abilene Christian University, Abilene, TX, U.S.A.

E. J. Qualitative Theory of Diff. Equ., No. 55. (2009), pp. 1-8.

Abstract: This paper examines a three point, nonlocal boundary value problem for a second order ordinary differential equation. We make use of a generalization of the fixed point theorem of compression and expansion of functional type to obtain the existence of positive solutions.

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