| 一类四阶差分方程边值问题的多解性 |
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| 引用本文： | 关雯,张赵庆. 一类四阶差分方程边值问题的多解性[J]. 甘肃科学学报, 2010, 22(2): 5-8 |
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| 作者姓名： | 关雯 张赵庆 |
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| 作者单位： | 1. 兰州理工大学,理学院,甘肃,兰州,730050
2. 兰州铁路局,兰州车辆段,甘肃,兰州,730000 |
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| 摘 要： | 利用锥上的不动点定理,讨论一类四阶差分方程边值问题的多解性.建立了该问题存在2个正解的充分条件.
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| 关 键 词： | 差分方程 正解 不动点 边值问题 |
Existence of Multiple Positive Solutions of Boundary Value Problem for a Fourth-order Difference Equation |
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| GUAN Wen,ZHANG Zhao-qing. Existence of Multiple Positive Solutions of Boundary Value Problem for a Fourth-order Difference Equation[J]. Journal of Gansu Sciences, 2010, 22(2): 5-8 |
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| Authors: | GUAN Wen ZHANG Zhao-qing |
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| Affiliation: | 1.School of Sciences,Lanzhou University of Science and Technology,Lanzhou 730050,China;2.Lanzhou Rolling Stock Section,Lanzhou Railway Bureau,Lanzhou 730000,China) |
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| Abstract: | By using the fixed point theorem on the cone,we consider the multiplicity of positive solutions for a class of boundary value problem of fourth-order difference equations.Sufficient conditions are established so that there exist two positive solutions. |
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| Keywords: | difference equation positive solution fixed point boundary value problem |
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