兩類四階m-點(diǎn)邊值問題的正解.pdf

1、蘭州理工大學(xué)碩士學(xué)位論文兩類四階m點(diǎn)邊值問題的正解姓名：裴海瑞申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：應(yīng)用數(shù)學(xué)指導(dǎo)教師：孫建平20090427AbstractMotiVatedbythewide印plicationtogeomet吼Ⅱlechanics，astronoIIly’ecmnomicsandotherfields，boundaryv出ueproblemsforordinarydi艉rentialequatb璐havereceiVedmucha

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6、valueproblemhausat1eastonepositivesolutionforA(入isp08itiveparameter)smallenoughandhasnopositivesolutionforAlargeenoughSupposethat，i88ublinear，theboundaryvalueproblemhasat1eastonepositiveSolutionforany入∈(o，oo)Andthen，wedi

7、scussaclassoffourth_orderm—pointboundawvalueproblem麗thparameter盯0Thebounda眄v|alueproblemhasatleaustonepositivesolutionfor盯∈(0，o。)whenthenonlinearterm，isthesuperline盯orsublinearThebounda叮Valueproblemhausatleastonepositive

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