Functional analysis 116 Functions 83 Congresses 64 Functions of complex variables 64 Functions of real variables 37 Production functions (Economic theory) 32 Mathematical models 28 Approximation theory 24 Elliptic functions 18 Mathematical analysis 18 Theory of distributions (Functional analysis) 17 Analytic functions 16 Functional equations 16 Recursive functions 16 Functional programming (Computer science) 15 Computable functions 14 Functional programming languages 14 Functions of several complex variables 14 Mathematics 14 Function spaces 13 Mathematical physics 13 Brain 12 Functional literacy 12 Functions, Special 12 Localization of functions 12 Banach spaces 11 Numerical analysis 11 Algebraic functions 10 Tables 10 Data processing 9