Constructive polynomial approximation in Sobolev spaces. (English) Zbl 0456.65003

Recent advances in numerical analysis, Proc. Symp., Madison/Wis. 1978, 31-44 (1978).


65D07 Numerical computation using splines
65N30 Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs
46E35 Sobolev spaces and other spaces of “smooth” functions, embedding theorems, trace theorems
41A10 Approximation by polynomials
41A15 Spline approximation