Mathematical analysis 136 Functions of complex variables 7 Mathematics 7 Algebra 6 Calculus 6 Economics, Mathematical 6 Congresses 5 Operations research 5 Foundations 4 Functions of real variables 4 History 4 Nonstandard mathematical analysis 4 Numerical analysis 4 Algebras, Linear 3 Asymptotic expansions 3 Engineering mathematics 3 Functional analysis 3 Nonlinear theories 3 Philosophy 3 Problems, exercises, etc 3 Approximation theory 2 Critical point theory (Mathematical analysis) 2 Differential topology 2 Global analysis (Mathematics) 2 Integral equations 2 Logic, Symbolic and mathematical 2 Mathematical physics 2 Microeconomics 2 Multipliers (Mathematical analysis) 2 Numerical solutions 2