Mathematics 72 Differential equations, Partial 37 Mathematical models 33 Congresses 29 Mathematical analysis 25 Functional analysis 23 Differential equations 20 Number theory 20 Numerical analysis 20 Numerical solutions 20 Stochastic processes 20 Data processing 18 Geometry, Algebraic 18 Mathematical optimization 18 Topology 18 Cryptography 15 Geometry, Differential 15 Markov processes 15 Probabilities 15 Algebra 14 Data mining 14 Graph theory 14 History 14 Mathematical physics 14 Fluid dynamics 13 Mathematicians 13 Quantum theory 13 Differentiable dynamical systems 12 Geometry 12 Stability 12