n階時滯微分方程的正解.pdf

1、2006屆研究生碩士學(xué)位論文Y895528學(xué)校代碼：10269學(xué)號：YS03121050霉黎瀠忿走擎n階時滯微分方程的正解院系：數(shù)學(xué)系專業(yè)：應(yīng)用數(shù)學(xué)研究方向：定性理論和分支指導(dǎo)教師：朱德明教授碩士研究生：路秋英授予學(xué)位單位華東師范大學(xué)2006年5月完成Ab8tratAbstratInthi8paper，Ⅵreareconcernedwiththeexistenceofpositivesolutionsforthenonlineareig

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4、genvahleproblemisdiscussedBoththeexistenceandthemultiplicityofthepositivesolutionsarepreseI址edInthesecondpartofthi8section，thenonlineartermhasn’ctobenoll_11egetiveThatis，weconsiderthee](istenceofpositives01utionswithgreg

5、ular，whichisnamedaSSemjpositoIleproblemOurproofsareba呂ed。nchewell—knownGu0Krasnoselskii6xed—DointtheoremKeyWbrds：Positivesolutions：Non】inearnth—orderdelaydi骱r。ntiaIsystemsCone矗xedpointtheorem；Boundaryvalueproblems；Semipo