Reusing Chebyshev points for polynomial interpolation. - Saman Ghili; Gianluca Iaccarino (Numer. Algorithms, 2015)

Least Squares Approximation of Polynomial Chaos Expansions With Optimized Grid Points. - Saman Ghili; Gianluca Iaccarino (SIAM J. Sci. Comput., 2017)