Fixed point theory Congresses 4 Economics, Mathematical 3 Nonlinear programming 2 Approximation theory 1 Differential equations, Nonlinear 1 Differential equations, Partial 1 Equations, Simultaneous 1 Equilibrium (Economics) 1 Function spaces 1 Functional analysis 1 Functional differential equations 1 Functions of complex variables 1 Game theory 1 Linear complementarity problem 1 Linear topological spaces 1 Mappings (Mathematics) 1 Mathematical models 1 Numerical solutions 1 Programming (Mathematics) 1 Vector spaces 1