Special Cases
- A pre-abelian category is an additive category in which every morphism has a kernel and a cokernel.
- An abelian category is a pre-abelian category such that every monomorphism and epimorphism is normal.
The additive categories most commonly studied are in fact abelian categories; for example, Ab is an abelian category.
Read more about this topic: Additive Category
Famous quotes containing the words special and/or cases:
“Fashions change, and with the new psychoanalytical perspective of the postwar period [WWII], child rearing became enshrined as the special responsibility of mothers ... any shortcoming in adult life was now seen as rooted in the failure of mothering during childhood.”
—Sylvia Ann Hewitt (20th century)
“I want in all cases to do right.”
—Abraham Lincoln (18091865)
Related Phrases
Related Words