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arXiv 2005.01077math.CV
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四元数片正则函数的一个局部表示公式

A local representation formula for quaternionic slice regular functions

Graziano Gentili, Caterina Stoppato

摘要:

自2006年引入以来,四元数切片正则函数主要在关于实轴对称的域上进行研究。这一选择是受到2009年发表的一些基础结果的启发,例如轴对称域的表示公式。本文研究了非轴对称域上的切片正则函数,部分地修正了一些已有结果的假设。特别是,这项工作包括一个本地表示公式有效的对称性假设。此外,它确定了一类称为简单的域,具有以下性质:简单域上的每个切片正则函数可以唯一地扩展到其域的对称完备化。

英文摘要:

After their introduction in 2006, quaternionic slice regular functions have mostly been studied over domains that are symmetric with respect to the real axis. This choice was motivated by some foundational results published in 2009, such as the Representation Formula for axially symmetric domains. The present work studies slice regular functions over domains that are not axially symmetric, partly correcting the hypotheses of some previously published results. In particular, this work includes a Local Representation Formula valid without the symmetry hypothesis. Moreover, it determines a class of domains, called simple, having the following property: every slice regular function on a simple domain can be uniquely extended to the symmetric completion of its domain.

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