Polynomial approximation of functions in Sobolev spaces. (English) Zbl 0423.65009


65D05 Numerical interpolation
46E30 Spaces of measurable functions (\(L^p\)-spaces, Orlicz spaces, Köthe function spaces, Lorentz spaces, rearrangement invariant spaces, ideal spaces, etc.)
41A10 Approximation by polynomials
41A63 Multidimensional problems
65N30 Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs
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