preadditive category

== English == === Noun === preadditive category (plural preadditive categories) (mathematics) A category which is enriched over the category Ab {\displaystyle {\text{Ab}}} of abelian groups; that is, each hom-set is equipped with an abelian group structure, and composition is distributive over the group operations of each hom-set. ==== Hyponyms ==== additive category pre-abelian category abelian category