Rings, integral domains, ideals, Modules, Radical theory-- Algebra-- Mathematics 64 Rings (Algebra) 38 Modules (Algebra) 12 Ring formation (Chemistry) 12 Mathematics 11 Algebra 10 Commutative rings 9 Dissertations, Academic (Ph.D) 6 Noncommutative rings 6 Rings 6 Planetary rings 5 Group rings 4 Group theory 4 Heterocyclic compounds 4 Ideals (Algebra) 4 Liesegang rings 4 Outer planets 4 Associative rings 3 Commutative algebra 3 Crystal growth 3 Graph theory 3 Representations of algebras 3 Rings, integral domains, ideals-- Algebra-- Mathematics 3 Stereochemistry 3 Thesis (Ph.D)-Physics 3 Addition reactions 2 Algebra, Abstract 2 Algebraic fields 2 Associative rings and algebras -- Representation theory of rings and algebras -- Representation theory of rings and algebras 2 Chemistry, Organic 2