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词汇 Coend
分类 英语词汇 英语翻译词典
释义

Coend

英语百科

End (category theory)

(重定向自Coend)

In category theory, an end of a functor S:\mathbf{C}^{\mathrm{op}}\times\mathbf{C}\to \mathbf{X} is a universal extranatural transformation from an object e of X to S.

More explicitly, this is a pair (e,\omega), where e is an object of X and

is an extranatural transformation such that for every extranatural transformation

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