• This paper presents a new existence theory for positive solutions to a kind of second-order discrete periodic boundary value problems by employing a fixed point theorem in cones.

    运用锥不定理给出二阶离散周期问题新的存在性定理。

    youdao

  • This paper presents a new existence theory for positive solutions to a kind of second-order discrete periodic boundary value problems by employing a fixed point theorem in cones.

    运用锥不定理给出二阶离散周期问题新的存在性定理。

    youdao

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