Radical of a ring as a module over itself; the intersection of all maximal right (or equivalently left) ideals of the ring; the sum of all superfluous right (or equiv. left) ideals
radical de um anel como um módulo sobre si mesmo (pt)
Intersection des idéaux maximaux d'un anneau commutatif (fr)
radical of a ring as a module over itself; the intersection of all maximal right (or equivalently left) ideals of the ring; the sum of all superfluous right (or equiv. left) ideals (en)