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单词 Category of topological spaces
释义

Category of topological spaces

中文百科

拓扑空间范畴

在数学里,拓扑空间范畴(通常标记为Top)是一个范畴,其对象为拓扑空间,态射为连续函数。拓扑空间范畴符合范畴的公理,因为两个连续函数的复合函数依然是连续的。研究拓扑空间范畴及运用范畴论的技术来研究拓扑空间的性质之类的学科称为「范畴拓扑学(categorical topology)」。

注意,有些作者会将Top这个标记用来指对象为拓扑流形,态射为连续函数的范畴。

英语百科

Category of topological spaces 拓扑空间范畴

In mathematics, the category of topological spaces, often denoted Top, is the category whose objects are topological spaces and whose morphisms are continuous maps or some other variant; for example, objects are often assumed to be compactly generated. This is a category because the composition of two continuous maps is again continuous. The study of Top and of properties of topological spaces using the techniques of category theory is known as categorical topology.

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更新时间:2025/6/22 22:09:08