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一个早期肿瘤生长模型的数学分析 被引量:1

Analysis of free boundary problem modelling a early tumor growth
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摘要 研究了乳腺癌的早期生长模型(DCIS),它为耦合了抛物方程、椭圆方程的自由边界问题.运用椭圆型方程的变分理论、抛物方程的Lp理论和压缩映照原理,证明了这个问题局部解的存在惟一性,然后用延拓方法得到了整体解的存在惟一性. The paper studies a problem of modelling the early growth of ductal carinoma in situ of the breast (DCIS). This model has decoupled parabolic equations and hyperbolic equations. The variational theory of hyperbolic equations, L^p-theory of parabolic equations and Banach fixed point theorem are used to prove the existence and uniqueness of a local solution, and the continuation method is applied to get the existence and uniqueness of a global solution.
机构地区 中山大学数学系
出处 《高校应用数学学报(A辑)》 CSCD 北大核心 2005年第3期275-283,共9页 Applied Mathematics A Journal of Chinese Universities(Ser.A)
基金 国家自然科学基金(10171112)
关键词 肿瘤生长 自由边界问题 整体解 存在性 惟一性 tumor growth free boundary problem global solution existence uniqueness
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