Mathematics 32 Statistics 8 Differential equations, partial 6 Distribution (Probability theory) 6 Dynamical Systems and Ergodic Theory 6 Mathematical Physics 6 Mathematical optimization 6 more ... Operations Research, Management Science 6 Partial Differential Equations 6 Probability Theory and Stochastic Processes 6 Differentiable dynamical systems 5 Number Theory 5 Number theory 5 Optimization 5 Applications of Mathematics 4 Differential Equations 4 Functional Analysis 4 Functional analysis 4 Ordinary Differential Equations 4 Statistical Theory and Methods 4 Statistics, general 4 Algebra 3 Analysis 3 Combinatorics 3 Computer science 3 Difference and Functional Equations 3 Functional equations 3 Global analysis (Mathematics) 3 Mathematical Applications in the Physical Sciences 3 Systems Theory, Control 3 less ...