Categories (Mathematics) Algebra, Homological 2 Algebraic topology 2 Congresses 2 Functor theory 2 Machine theory 2 Algebraic logic 1 Combinatorial topology 1 Computational complexity 1 Control theory 1 Curves, Algebraic 1 Geometry, Algebraic 1 Homotopy theory 1 Kategorie (Mathematik) 1 Lattice theory 1 Lattices (Mathematics) 1 Logic, Symbolic and mathematical 1 MATHEMATICS / Probability & Statistics / General 1 MATHEMATICS / Probability & Statistics / Regression Analysis 1 MATHEMATICS / Topology 1 Mathematics 1 Modules (Algebra) 1 Ordered algebraic structures 1 R (Computer program language) 1 Recursion theory 1 Regression analysis 1 Rings (Algebra) 1 Sheaf theory 1 Topology 1