一阶多时超微分方程解的零点距估计
首发时间:2010-04-09
摘要:近年来,对于一阶时滞微分方程解的零点分布的研究引起人们极大的关注,并取得了一系列好的结果。对于一阶多时超微分方程的研究还没有看到相关的文献。因此,在这篇论文中,我们通过研究一阶多时超微分不等式解的性质获得微分不等式正解的最大存在区间。在此基础上,我们讨论了一阶多时超微分方程解的零点距.为了说明这些定理的正确性我们在论文最后给出了俩个例子来说明。
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The Distribution of Zeros of Solutions of Differential Equations with Variable Advanced
Abstract:In recent years, The Distribution of Zeros of Solutions of the first order delay differential equations aroused great concern and made a series of good results. For the first-order advanced differential equations have not seen the literature. Therefore, in this paper, we study the nature of the solution by the first order linear advanced differential inequalities access to the largest positive solutions of differential inequalities the existence interval. On this basis, The estimate for the distance between adjacent zeros of the oscillatory solution is obtained. To illustrate the correctness of these theorems is given in the paper we have both an example to illustrate.
Keywords: First-order Advanced Distribution of zeros
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No.4177251236212708****
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