Additive functor
= Additive functor
{wiki}
An additive functor between additive categories induces a group homomorphism on every hom-group. It therefore preserves zero morphisms and finite biproducts.
= Additive functor
{wiki}
An additive functor between additive categories induces a group homomorphism on every hom-group. It therefore preserves zero morphisms and finite biproducts.