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单词 Domain of holomorphy
释义

Domain of holomorphy

中文百科

全纯域

定义中的集合

在数学的多复变函数论中,全纯域是在下述意义下为极大的区域:在其上存在一个全纯函数,使得不能延拓至更大的区域上。

正式而言,在n维复空间{\mathbb{C}}^n中的开集\Omega称为全纯域,如果不存在非空开集U \subset \OmegaV \subset {\mathbb{C}}^n,其中V是连通的, V \not\subset \Omega,以及U \subset \Omega \cap V,使得对在\Omega上的每个全纯函数f,存在一个在V上的全纯函数g,在U上有f = g

n = 1时,每个开集都是全纯域。但是,当n ≥ 2时,哈托格斯引理指出存在不是全纯域的区域。

英语百科

Domain of holomorphy 全纯域

The sets in the definition.

In mathematics, in the theory of functions of several complex variables, a domain of holomorphy is a set which is maximal in the sense that there exists a holomorphic function on this set which cannot be extended to a bigger set.

Formally, an open set \Omega in the n-dimensional complex space {\mathbb{C}}^n is called a domain of holomorphy if there do not exist non-empty open sets U \subset \Omega and V \subset {\mathbb{C}}^n where V is connected, V \not\subset \Omega and U \subset \Omega \cap V such that for every holomorphic function f on \Omega there exists a holomorphic function g on V with f = g on U

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更新时间:2025/6/18 21:41:36