Congresses Harmonic analysis Mathematics Differential equations Differential games Finite groups Numerical solutions Study and teaching Absolutely summing operators Algebraic fields Approximation theory Automorphisms Banach algebras Banach spaces Boundary value problems Chevalley groups Class groups (Mathematics) Computer-assisted instruction Congresos Control theory Data processing Differentiable dynamical systems Differential equations, Elliptic Differential equations, Partial Ecuaciones Electronic spreadsheets in education Equations Fourier analysis Functions of complex variables Functions, Orthogonal