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Author:
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Year:
Volume:
Issue:
Third Order Nonlinear Singularly Perturbed Boundary Value Problem
Author(s):
WANG Guocan
,
JIN Li
Pages:
597
-
603
Year:
2002
Issue:
6
Journal:
APPLIED MATHEMATICS AND MECHANICS
Keyword:
三阶非线性边值问题
;
上下解
;
Volterra型积分算子
;
存在性和渐近估计
;
Abstract:
利用微分不等式理论,研究了某一类三阶奇摄动非线性边值问题.以二阶边值问题的已知结果为基础,引入Volterra型积分算子,建立了三阶非线性边值问题的上下解方法.在适当条件下,构造出具体的上下解,得出解的存在性和渐进估计.结果表明这种技巧也为三阶奇摄动边值问题的研究提出了崭新的思路.最后举例验证文中定理的正确性.
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