Group theory Homology theory 5 Measure theory 5 Probabilities 5 Symmetry (Physics) 5 Algebra 4 Algebra, Homological 4 Mathematical physics 4 Mathematics 4 Molecular theory 3 Representations of groups 3 Stochastic processes 3 Abelian varieties 2 Cell aggregation 2 Geometry, Algebraic 2 Geometry, algebraic 2 Homotopy theory 2 Number theory 2 Quantum theory 2 Sheaf theory 2 Symmetry groups 2 Algebraic geometry 1 Algebraic varieties 1 Associative rings 1 Atoms 1 Automorphic forms 1 Automorphisms 1 Bifurcation theory 1 Burnside problem 1 Categories (Mathematics) 1