三阶三点边值问题的两个正解的存在性
On The Existence of Two Positive Solutions for Third-Order Three-Point Boundary Value Problem
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摘要: 考虑三阶三点边值问题 u"'(t) +a(t)f(t,u(t)) =0 t ∈ (0,1u(0)-au(η),u'(1) =βu'(η),u"(0) =0当非线性项f满足一定的增长条件时,利用Avery-Henderson不动点定理得到了上述边值问题至少有2个正解的存在性结果.
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关键词:
- 三阶三点边值问题,不动点定理,正解
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