Removability of time-dependent singularities in the heat equation

Removability of time-dependent singularities in the heat equation
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热方程中与时间相关的奇点的可去除性

DOI:
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发表时间:
2013
期刊:
arXiv: Analysis of PDEs
影响因子:
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通讯作者:
E. Yanagida
E. Yanagida
中科院分区:
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文献类型:
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作者:
J. Takahashi;E. Yanagida

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考虑具有时变奇点的线性热方程的解。证明了如果奇点弱于拉普拉斯方程基本解的阶数,那么奇点是可去除的。我们还考虑了高维奇异集的可移性。给出了不可移动奇点的一个例子,给出了不可移动奇点条件的最优性。
We consider solutions of the linear heat equation with time-dependent singularities. It is shown that if a singularity is weaker than the order of the fundamental solution of the Laplace equation, then it is removable. We also consider the removability of higher dimensional singular sets. An example of a non-removable singularity is given, which implies the optimality of the condition for removability.
半线性抛物型方程的具有移动奇点的全局和非全局解
DOI: --
发表时间: 2009
期刊:
影响因子: --
作者:
T. Masuda;R. Tomatsu;西谷達雄;Goo Ishikawa;新関伸也;T.Kumagai;E. Yanagida
通讯作者: E. Yanagida