Mathematics 13 Computer science 8 Mathematical physics 5 Physics 5 Computer Science 4 Calculus of Variations and Optimal Control; Optimization 3 Calculus of variations 3 Differential Geometry 3 Differential equations 3 Engineering 3 Geometry, Differential 3 Harmonic analysis 3 Management 3 Mathematical Physics 3 Ordinary Differential Equations 3 Statistical Theory and Methods 3 Statistics 3 Abstract Harmonic Analysis 2 Adaptation (Biology) 2 Artificial Intelligence (incl. Robotics) 2 Artificial intelligence 2 Business 2 Classical and Quantum Gravitation, Relativity Theory 2 Earth sciences 2 Ecology 2 Euthenics 2 Global Analysis and Analysis on Manifolds 2 Global analysis (Mathematics) 2 Gravitation 2 Industrial and Production Engineering 2