By using the fixed point index theorem, the existence of positive solutions for nonlinear m-point boundary value problem is established under some weaker conditions, and previous results are improved and generalized.
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- 摘要本文在較弱的條件下,利用不動(dòng)點(diǎn)指數定理研究了一類(lèi)算子多點(diǎn)邊值問(wèn)題正解的存在性,推廣并改進(jìn)了原有的結果。