Mathematical models Mathematics 36 Finance 27 Biology 15 Computer simulation 15 Data processing 15 Stochastic processes 13 Decision making 12 Ecology 11 Investments 11 Statistical methods 11 Mathematics and Statistics 10 Mathematical optimization 9 Probabilities 9 Options (Finance) 8 Population biology 8 Congresses 7 Differential equations 7 Reliability (Engineering) 7 Discrete-time systems 6 Dynamics 6 Fluid dynamics 6 Models, Biological 6 Operations research 6 Portfolio management 6 Research 6 Social sciences 6 Stochastic analysis 6 System analysis 6 Animal Nutrition (General) 5