Function spaces 13 Banach spaces 3 Congresses 3 Functional analysis 2 Sequence spaces 2 Approximation theory 1 Boundary value problems 1 Control theory 1 Differential equations, Partial 1 Differential operators 1 Discontinuous functions 1 Fixed point theory 1 Fourier analysis 1 Inequalities (Mathematics) 1 Interpolation 1 Linear operators 1 Lorentz spaces 1 Mathematical physics 1 Numerical analysis 1 Orlicz spaces 1 System analysis 1 Vector-valued measures 1