International Conference on Information Technology and Computer Science, 3rd (ITCS 2011)
135 The Solutions for Semi-Positone Boundary Value Problems with Linear Functional Boundary Conditions on the Half-Line
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The theory of nonlocal boundary value problems for ordinary differential equations has become an important area of investigate in recent years. In this paper, we obtain a sufficient condition for at least three positive solutions to second-order differential equations with linear functional boundary conditions by using the Leggett-Williams fixed point theorem and varying in translation. The results obtained generalize some results to some degree.