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关于二阶二、三、四点边值问题的上下解方法
Authors
张 中新
Publication date
1 January 1997
Publisher
吉林大学自然科学学报
Abstract
运用上下解方法研究二阶边值问题这里0<α≤b<1,α,β,γ,δ,ζ,η>0,A,B均为给定的实数,且ρ:=αγ+αδ+βγ>0,f为满足Nagumo条件的Caratheodary函数.此问题有解当且仅当有一个上解y和一个下解x,且对所有的0≤t≤1,都有x(t)≤y(t)
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Last time updated on 16/06/2016