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单词 Direct product of modules
释义

Direct product of modules

中文百科

直积 Direct product

(重定向自Direct product of modules)

在数学中,经常定义已知对象的直积(direct product)来给出新对象。例子有集合的乘积(参见笛卡尔积),群的乘积(下面描述),环的乘积和其他代数结构的乘积。拓扑空间的乘积是另一个例子。

英语百科

Direct product 直积

(重定向自Direct product of modules)

In mathematics, one can often define a direct product of objects already known, giving a new one. This generalizes the Cartesian product of the underlying sets, together with a suitably defined structure on the product set. More abstractly, one talks about the product in category theory, which formalizes these notions.

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更新时间:2025/6/19 5:03:46