We obtain sufficient conditions for the existence of at least three positive solutions for the boundary value problem of a second order functional differential equation this is an application of a new fixed point theorem introduced by Avery and Peterson.
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- 本文利用Avery和Peterson引入的新的不動(dòng)點(diǎn)定理,得出了泛函微分方程邊值問(wèn)題存在三個(gè)正解的充分條件并得出了有關(guān)新結果。
