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一类四阶差分方程边值问题的正解 被引量:1

Positive solutions for a class of boundary value problems of fourth order difference equation
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摘要 利用锥上的不动点定理对一类四阶差分方程进行了讨论,得到了一个及两个正解的存在性的充分条件. By using the theorem of fixed points on cone a class of boundary value problems of fourth order difference equation was discussed and the sufficient condition of existence of one or two positive solutions was obtained.
出处 《兰州理工大学学报》 CAS 北大核心 2006年第4期138-141,共4页 Journal of Lanzhou University of Technology
关键词 差分方程 正解 边值问题 difference equation cone positive solution boundary value problem
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