Real and complex analysis, 3rd ed.
Real and complex analysis, 3rd ed.
Wavelets and pre-wavelets in low dimensions
Journal of Approximation Theory
Simultaneous approximation from PSI spaces
Journal of Approximation Theory
Simultaneous approximation and quasi-interpolants
Journal of Approximation Theory
Wavelet-type decompositions and approximations from shift-invariant spaces
Journal of Approximation Theory
Smooth refinable functions provide good approximation orders
SIAM Journal on Mathematical Analysis
Approximation properties of multivariate wavelets
Mathematics of Computation
On the approximation order of principal shift-invariant subspaces of LpRd
Journal of Approximation Theory
Accuracy of lattice translates of several multidimensional refinable functions
Journal of Approximation Theory
Stationary Subdivision
Quasi-interpolation in the Fourier algebra
Journal of Approximation Theory
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We extend the existing theory of approximation orders provided by shift-invariant subspaces of L2 to the setting of Sobolev spaces, provide treatment of L2 cases that have not been covered before, and apply our results to determine approximation order of solutions to a refinement equation with a higher-dimensional solution space.