An Introduction to Homological Algebra
《An Introduction to Homological Algebra》 · 第 5 页 · Section 1.2
An additive functor between Ab-categories is a functor whose induced map on every Hom group is a group homomorphism.
An Introduction to Homological Algebra
《An Introduction to Homological Algebra》 · 第 5 页 · Section 1.2
An additive functor between Ab-categories is a functor whose induced map on every Hom group is a group homomorphism.
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