adjunctions

结合的行为；被结合或添加的事物。

The act of joining; the thing joined or added.

一方的动产与他方的动产相结合。

The joining of personal property owned by one to that owned by another.

向代数结构(通常是环或域)添加元素的过程；该过程的结果。

The process of adjoining elements to an algebraic structure (usually a ring or field); the result of such a process.

使一对范畴在弱意义下等价的关系。

A relationship between a pair of categories that makes the pair, in a weak sense, equivalent.

一对函子之间满足特定条件的自然同构；其存在意味着函子间及(余)定义域间关系密切；该自然同构连同函子及(余)定义域被视为一个整体。

A natural isomorphism between a pair of functors satisfying certain conditions, whose existence implies a close relationship between the functors and between their (co)domains; the natural isomorphism, functors, and their (co)domains thought of as a single object.