The oscillation for solutions of the class of the second order strongly sublinear differential equation are discussed and three new oscillation theorems are obtained.
讨论了一类二阶强次线性微分方程解的振动性质，获得了三个新的振动性定理，推广和改进了相关文献的结果。
By using of discrete Liapunov function, the existence of almost periodic solutions for a class of difference equations is investigated, a new result has been obtained.
非线性方程解的存在性和唯一性问题的研究是非线性动力学的主要研究内容之一。
By using of discrete Liapunov function, the existence of almost periodic solutions for a class of difference equations is investigated, a new result has been obtained.
非线性方程解的存在性和唯一性问题的研究是非线性动力学的主要研究内容之一。
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