Keywords

#cokernel

Cokernel

Quotient space of a codomain of a linear map by the map's image

The cokernel of a linear mapping of vector spaces f : X → Y is the quotient space Y / im(f) of the codomain of f by the image of f. The dimension of the cokernel is called the corank of f.

Tue 5th

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Cokernel Normal morphism Pre-abelian category Kernel (category theory) Linear map Coequalizer Mapping cone (homological algebra) Abelian category Preadditive category Quasi-abelian category
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