Yoneda embedding

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English[edit]

Etymology[edit]

Named after the Japanese mathematician Nobuo Yoneda.

Noun[edit]

Yoneda embedding (plural Yoneda embeddings)

  1. (category theory) Given category , a Yoneda embedding for this category is a functor such that for any object A in , and for any morphism in , where the natural transformation η has components . Then . Otherwise, it is a functor such that and for any in , where η has components . Then .

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