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.
运用锥不动点定理，给出了二阶离散周期边值问题正解的新的存在性定理。
By using critical point theory, we obtain some conditions for the existence of multiple solutions on boundary value problems of a discrete generalized Emden-Fowler equation.
应用临界点理论，获得了一类离散广义Emden - Fowler方程边值问题存在多个解的条件。
By using critical point theory, we obtain some conditions for the existence of multiple solutions on boundary value problems of a discrete generalized Emden-Fowler equation.
应用临界点理论，获得了一类离散广义Emden - Fowler方程边值问题存在多个解的条件。
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