Mathematical models 38 Data processing 23 Nanotechnology 22 Mathematics 20 Artificial intelligence 19 Finance 15 Quantum theory 13 Nanostructured materials 12 Semiconductors 12 Congresses 10 Corporations 10 Design and construction 10 Integrated circuits 10 Nonlinear theories 10 Management 9 Automation 8 Computer networks 8 Control theory 8 Economic policy 8 Energy development 8 Expert systems (Computer science) 8 Physics 8 Robotics 8 Statistical methods 8 Technological innovations 8 Chaotic behavior in systems 7 Economic aspects 7 Neural networks (Computer science) 7 Numerical analysis 7 Pattern recognition systems 7