Existence of solutions for singular boundary problems for higher order differential equations |
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Authors: | Ravi P Agarwal Patricia J Y Wong |
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Institution: | 1. Department of Mathematics, National University of Singapore, Singapore 2. Division of Mathematics, Nanyang Technological University, Singapore
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Abstract: | We offer sufficient conditions for the existence of solutions for the boundary value problem $\begin{gathered} y(n) + f(t,y,y^1 ,...,y^{(n - 2)} = 0, 0< t< 1, n \geqslant 2 \\ y^{(i)} (0) = 0, 0 \leqslant i \leqslant n - 3 \\ y^{(n - 2)} (0) - \beta y^{(n - 1)} (0) = 0 \\ \gamma y^{(n - 2)} (1) + \delta y^{(n - 1)} (1) = 0 \\ \end{gathered} $ where α, β, γ and δ are constants satisfying αγ+αδ+βγ>0, β, δ≥0, β+α>0 and δ+γ>0. |
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