In Mathematics, '''Commutative Algebra''' is the area of Abstract_algebra dealing with Commutative_rings and commutative modules and algebras over commutative rings. It is essential to the study of Algebraic_geometry and Algebraic_number_theory. {{catmore}} Category:Ring_theory Category:Module_theory De:Kategorie:Kommutative_Algebra Fr:Catégorie:Algèbre_commutative