Last Updated
：2025/11/21
cokernel
Noun
Japanese Meaning
圏論において、零射が定義される圏で、ある射とその射と平行な零射との共等化（coequalizer）として構成される概念。
（ plural ）
Quizzes for review
(category theory) For a category with zero morphisms: the coequalizer between a given morphism and the zero morphism which is parallel to that given morphism.
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cokernel
In an abelian category, the cokernel of a morphism f is the coequalizer of f and the zero morphism, giving the quotient of the codomain by the image of f.
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In an abelian category, the cokernel of a morphism f is the coequalizer of f and the zero morphism, giving the quotient of the codomain by the image of f.
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