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域论

域论(英语:Field theory)是抽象代数的分支,研究的性质。

历史

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域的概念最初被阿贝尔伽罗瓦用于他们对方程的可解性的工作上。

1871年,理查德·戴德金将对于四则运算封闭的实数复数称为“域”。

1881年,利奥波德·克罗内克定义了“有理域”(德语:Rationalitäts-Bereich),相当于今称之数域

1893年,安里西·韦伯给出抽象域的首个清晰定义。

伽罗瓦被视为首个将群论域论连系起来的数学家。伽罗瓦理论便以他命名。事实上,埃米尔·阿廷在1928至42年间才将群和域的关系大大发展并纪录。

用途

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域论
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