Yoneda embedding

English

Etymology

Named after the Japanese mathematician Nobuo Yoneda (1930–1996).

Noun

Yoneda embedding (plural Yoneda embeddings)

(category theory) An embedding of a category ${\mathcal {C}}$ within the category of functors from ${\mathcal {C}}$ to the category of sets. Such an embedding is effected by a Yoneda functor.

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