Polynomial interpolation and hyperinterpolation over general regions

Hyperinterpolation on the square

Journal of Computational and Applied Mathematics

Hyperinterpolation in the cube

Computers & Mathematics with Applications

Vector hyperinterpolation on the sphere

Journal of Approximation Theory

CHEBINT: A MATLAB/Octave toolbox for fast multivariate integration and interpolation based on chebyshev approximations over hypercubes

ACM Transactions on Mathematical Software (TOMS)

Interpolation and cubature approximations and analysis for a class of wideband integrals on the sphere

Advances in Computational Mathematics