Function spaces Linear operators 3 Nonparametric statistics 3 Banach spaces 2 Boundary value problems 2 Embeddings (Mathematics) 2 Functions, Continuous 2 Ideals (Algebra) 2 Integral operators 2 Rings (Algebra) 2 Sequence spaces 2 Topology 2 Approximation theory 1 Congresses 1 Control theory.1 1 Decomposition (Mathematics) 1 Differential equations, Partial 1 Dimension theory (Topology) 1 Discontinuous functions 1 Envelopes (Geometry) 1 Fixed point theory 1 Fourier analysis 1 Functional analysis 1 Geometry, Differential 1 Global analysis (Mathematics) 1 Hardy spaces 1 Harmonic maps 1 Infinite-dimensional manifolds 1 MATHEMATICS / Topology 1 Manifolds (Mathematics) 1