Mathematics 2,439 Statistics 1,197 Algebra 303 Differential equations-- Analysis-- Mathematics 295 Calculus 288 Mathematical statistics 265 Probability 252 Functions of complex variables-- Analysis-- Mathematics 234 Number theory-- Algebra-- Mathematics 210 Analysis-- Mathematics 198 Algebra-- Mathematics 195 Probabilities 186 Functional analysis-- Mathematics 180 Groups-- Algebra-- Mathematics 178 Geometry 173 Mathematical analysis 169 Functions of real variables-- Analysis-- Mathematics 168 Differential equations 162 Applied numerical analysis-- Applied mathematics 148 Topology 147 Topology-- Mathematics 144 Numerical analysis 135 Linear, multilinear, multidimensional, vector algebras-- Mathematics 131 Graph theory-- Mathematics 129 statistics 129 Correlation 115 Number theory 115 Fourier and harmonic analysis 110 Topological and related algebra and groups 106 Functional analysis 102