J4 ›› 2009, Vol. 44 ›› Issue (7): 93-96.
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汪小明
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WANG Xiaoming
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摘要:
在不要求非线性项f(x,y)连续且下方有界的情况下,证明当f满足Caratheódory条件时2n阶超线性半正边值问题正解的存在性,改进已有的一些结果。
关键词: Krasnosels’kii定理; 边值问题; 正解; Caratheódory条件
Abstract:
Without requiring the nonlinearity f(x,y) to be continuous and be lower bounded, when f(x,y) satisfies the Caratheódory condition, it is proved that there exists positive solutions to a class of 2nthorder superlinear semipositive boundary value problems. Our work improves some known results.
Key words: Krasnosels’kii theorem; boundary value problem; positive sol ution; Caratheódory condition
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. 2n阶超线性半正边值问题正解的存在性[J]. J4, 2009, 44(7): 93-96.
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http://lxbwk.njournal.sdu.edu.cn/CN/Y2009/V44/I7/93
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