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一类非线性多孔介质方程局部解的唯一性

Uniqueness of Local Solutions for a Nonlinear Porous Medium Equation
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摘要 利用比较原理和一系列先验估计技巧证明了一类推广的非线性多孔介质方程ut+bi(x,t,u)Diu-Di(aij(x,t,u)Djφ(u))=0弱解的唯一性定理. Using the comparison theorem and a series of prior estimate skills,the uniqueness theorem of weak solutions for a kind of generalized nonlinear porous medium equation ut-Di(aij(x,t,u)Djφ(u))+bi(x,t,u)Diu=0 was proved.
出处 《华北水利水电学院学报》 2011年第2期155-157,共3页 North China Institute of Water Conservancy and Hydroelectric Power
基金 国家自然科学基金项目(10572156) 河南省教育厅自然科学基础研究基金项目(200510465001)
关键词 非线性 多孔介质方程 弱解 唯一性 nonlinear porous medium equation weak solution uniqueness
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