Slice quaternionic analysis in two variables

Slice quaternionic analysis in two variables
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两个变量的切片四元数分析

DOI:
10.1080/17476933.2021.1906662
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发表时间:
2021-04
期刊:
Complex Variables and Elliptic Equations,https://doi.org/10.1080/17476933.2021.1906662
影响因子:
--
通讯作者:
Wang Xieping
Wang Xieping
中科院分区:
其他
文献类型:
--
作者:
Dou Xinyuan;Ren Guangbin;Sabadini Irene;Wang Xieping

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二元片四元数分析是多元复变量理论向四元数理论的推广。这项研究依赖于茎函数理论和两个复变量的全纯函数理论。我们的方法是通过两个可交换的复结构来引入茎函数的全纯。证明了在局部上,切分正则函数恰好对应于系数在右边的两个有序四元数的泰勒级数。哈托斯现象在我们的背景下成立;然而,由于一些拓扑障碍,它的证明是微妙的。我们通过证明全纯茎函数在扩张后保持内在的性质来克服它们。
Slice quaternionic analysis in two variables is a generalization of the theory of several complex variables to quaternions. This study relies on the theory of stem functions and the theory of holomorphic functions in two complex variables. Our approach is to introduce holomorphicity for stem functions in terms of two commutative complex structures. It turns out that, locally, a function which is slice regular corresponds exactly to the Taylor series of two ordered quaternions, with the coefficients on the right. The Hartogs phenomenon holds in our setting; however, its proof is subtle due to some topological obstacles. We overcome them by showing that holomorphic stem functions preserve the property of being intrinsic after extension.
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