Commutative rings Commutative algebra 19 Commutative Rings and Algebras 18 Mathematics 18 Geometry, Algebraic 10 Algebraic Geometry 9 Rings (Algebra) 9 Algebra 8 Group theory 8 Associative Rings and Algebras 7 Associative rings 7 Group Theory and Generalizations 6 Computer science 5 Field Theory and Polynomials 4 Field theory (Physics) 4 Number Theory 4 Number theory 4 Combinatorial analysis 3 Linear and Multilinear Algebras, Matrix Theory 3 Logic, Symbolic and mathematical 3 Matrix theory 3 Algebra, Homological 2 Categories (Mathematics) 2 Category Theory, Homological Algebra 2 Combinatorics 2 Functions of complex variables 2 Geometry, Projective 2 Group schemes (Mathematics) 2 Mathematical Applications in Computer Science 2 Mathematical Logic and Foundations 2