Supposing the nonlinear term bounded, by using homotopy invariance theorem, we proved the existence of solutions of boundary value problems for a class of nonlinear ordinary differential equations.
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释义
摘要在假设一类常微分方程边值问题中的非线性项有界的条件下,运用同伦映射不变性定理,得出了解的存在性结论。
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