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函数不连续的二阶拟线性奇摄动边值问题
Singularly perturbed boundary value problem of second order quasi-linear equation with discontinuous function
【摘要】 讨论了函数不连续情况下二阶拟线性奇摄动边值问题,用边界层函数法和轨道的光滑缝接,构造了问题的形式渐近解,并在整个区间上证明了形式渐近解的一致有效性,把吉洪诺夫系统中的函数光滑条件推广到了不连续情况。
【Abstract】 A class of singularly perturbed boundary value problem of second order quasi-linear equation with discontinuous function is discussed in this paper.Using the method of boundary layer functions and sewing orbit smooth,the asymptotic solution of this problem is shown and proved to be uniformly effective in the whole interval.This paper extend the function’s smooth condition in Tikihov system to discontinuous case.
【关键词】 奇摄动;
渐近级数;
边界层函数法;
微分流形;
【Key words】 singular perturbation; asymptotic expansion; boundary layer function; invariable manifold;
【Key words】 singular perturbation; asymptotic expansion; boundary layer function; invariable manifold;
【基金】 国家自然科学基金(11071075);上海市自然科学基金(10ZR1409200);生物大分子国家重点实验室,上海市教育委员会E-研究院建设项目(E03004)
- 【文献出处】 纯粹数学与应用数学 ,Pure and Applied Mathematics , 编辑部邮箱 ,2010年05期
- 【分类号】O175.14
- 【被引频次】11
- 【下载频次】74