学科分类
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6 个结果
  • 简介:Inthispaper,usingthecontextofcompletepartialmetricspaces,somecommonfixedpointresultsofmapsthatsatisfythegeneralized(φ,ψ)-weakcontractiveconditionsareobtained.Ourresultsgeneralize,extend,unify,enrichandcomplementmanyexistingresultsintheliterature.Examplearegivenshowingthevalidatyofourresults.

  • 标签: 度量空间 公共不动点 压缩映射 广义 压缩条件 固定点
  • 简介:Thepresentarticleinvestigatesthedualnatureofthesolutionofthemagnetohydrodynamic(MHD)stagnation-pointflowofaPrandtlfluidmodeltowardsashrinkingsurface.Theself-similarnonlinearordinarydifferentialequationsaresolvednumericallybytheshootingmethod.Itisfoundthatthedualsolutionsoftheflowexistforcertainvaluesofthevelocityratioparameter.Thespecialcaseofthefirstbranchsolutions(theclassicalNewtonianfluidmodel)iscomparedwiththepresentnumericalresultsofstretchingflow.Theresultsarefoundtobeingoodagreement.Itisalsoshownthattheboundarylayerthicknessforthesecondsolutionisthickerthanthatforthefirstsolution.

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  • 简介:在这份报纸,为添加剂噪音驾驶的随机的二点的边界价值问题的homotopy继续方法被学习。homotopy方程的答案的存在被证明。数字计划被构造,错误估计被获得。数字实验在象射击方法那样的另外的通常使用的方法上表明homotopy继续方法的有效性。[从作者抽象]

  • 标签: 两点边值问题 同伦方程 加性噪声 问题驱动 随机 数值实验
  • 简介:Inthispaper,weconsidertheexistenceofthreenontrivialsolutionsforadiscretenon-linearmultiparameterperiodicprobleminvolvingthep-Laplacian.ByusingthesimilarmethodfortheDirichletboundaryvalueproblemsin[G.BonannoandP.Candito,Appl.Anal.,88(4)(2009),pp.605-616],weconstructtwonewstrongmaximumprinciplesandobtainthattheboundaryvalueproblemhasthreepositivesolutionsforλandμinsomesuitableintervals.Theapproachesweusearethecriticalpointtheory.

  • 标签: P-LAPLACE算子 周期边值问题 临界点理论 离散 DIRICHLET 威盛