Geometry, Algebraic Homology theory 10 Commutative algebra 8 Categories (Mathematics) 6 Algebra, Homological 5 Functions of complex variables 4 Hodge theory 4 Associative algebras 3 Geometry, Differential 3 K-theory 3 Lie algebras 3 Mathematical physics 3 Moduli theory 3 Number theory 3 Singularities (Mathematics) 3 Abelian varieties 2 Algebraic topology 2 Algebraic varieties 2 Associative rings 2 Commutative rings 2 Computational learning theory 2 Data processing 2 Functions of several complex variables 2 Group theory 2 Invariants 2 Linear algebraic groups 2 Logic, Symbolic and mathematical 2 Mathematics 2 Modules (Algebra) 2 Quantum groups 2