K-theory Geometry, Algebraic 6 Homology theory 6 Algebraic number theory 4 Associative rings 4 Algebra, Homological 3 Rings (Algebra) 3 more ... Algebraic topology 2 Algebraic varieties 2 Categories (Mathematics) 2 Commutative rings 2 Functional analysis 2 Mathematics 2 Topological transformation groups 2 Algebraic cycles 1 Algebraic fields 1 Arithmetic 1 Boundary value problems 1 C*-algebras 1 Cobordism theory 1 Differential topology 1 Fiber bundles (Mathematics) 1 Finite groups 1 Functions of complex variables 1 Functor theory 1 Galois theory 1 Geometry 1 Global analysis (Mathematics) 1 Graph theory 1 Grothendieck groups 1 less ...