Mathematical optimization 109 Operations research 33 Mathematics 29 Combinatorial optimization 28 Control theory 23 Mathematical models 22 Programming (Mathematics) 21 Economics 15 Optimization 14 Computer science 13 Numerical analysis 13 Algorithms 12 Data processing 12 Database management 12 Linear programming 12 History 11 Plant Biotechnology 11 Calculus of variations 10 Image processing 10 Management 10 Medical microbiology 10 Artificial intelligence 9 Functional analysis 9 Agriculture 8 Computer networks 8 Mathematical statistics 8 Agricultural Extension 7 Biotechnology 7 Control theory-- Optimal control 7 Data mining 7