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arXiv 1105.0212math.AP
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调和球与二相Schwarz函数

Harmonic balls and two-phase Schwarz function

Henrik Shahgholian, Tomas Sjödin

摘要:

在这里,我们将引入调和球/球的概念,在$\R^n$的子域,通过一个平均值性质的一个子类的调和函数在这样的域。在复平面中,对于解析函数,由于解析函数在边界上不能具有规定的数据,因此不存在类似的概念。然而,这个问题的一个两相版本确实存在,并且引起了著名的Schwarz函数到两相Schwarz函数的推广。我们的主要目标是得到这些问题的简单性质,并挑逗工作在施瓦茨函数和相关主题的专家的胃口。希望这两个概念将激发对该主题的进一步研究。

英文摘要:

Here we shall introduce the concept of harmonic balls/spheres in sub-domains of $\R^n$, through a mean value property for a sub-class of harmonic functions on such domains. In the complex plane, and for analytic functions, a similar concept fails to exist due to the fact that analytic functions can not have prescribed data on the boundary. Nevertheless, a two-phase version of the problem does exists, and gives rise to the generalization of the well-known Schwarz function to the case of two-phase Schwarz function. Our primary goal is to derive simple properties for these problems, and tease the appetites of experts working on Schwarz function and related topics. Hopefully these two concepts will provoke further study of the topic.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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