以周期非线性光学介质中隙孤子存在的条件为依据，数学计算分析得到两组参量关系不等式。

Based on the conditions of the gap soliton in periodical nonlinear optical medium, two inequalities for relation of parameters are obtained.

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本文用微分不等式证明了二阶奇摄动系统解的存在性、唯一性和周期性。

This paper proves the existence, uniqueness and periodic problem of the solution about second order singular perturbation system by using the differential inequality.

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利用李雅普诺夫函数和微分不等式探讨带扩散Schoner模型的概周期解的稳定性问题。

The almost periodic solution of non-autonomous diffusion Schoner models is discussed through Liapunov function and differential inequalities.

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