Abstract:
考虑如下边值问题-u″=λ2u+αf(u)+g(|u''|) (1)u(0)=u(1)=0 (2)正解的存在性,其中λ>0,α≥0为参数;f∈C(R,R+),g∈C(R+,R+),满足g(s)>0,s>0;lims→0f(s)/s=0,lims→0g(s)/s=0,∫∞sds/a+g(s)=∞,α>0,∫ds/g(s)<∞.在上述条件下,我们证明了,对任一0<λ<π,α≥0,边值问题(1)-(2)至少存在一个正解,对λ≥ττ边值问题(1)-(2)没有正解.
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闽江学院学报
ISSN: 1009-7821
Year: 2005
Issue: 5
Volume: 26
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 3
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