David Donoho, Matan Gavish, MINIMAX RISK OF MATRIX DENOISING BY SINGULAR VALUE THRESHOLDING, The Annals of Statistics, Vol. 42, No. 6 (December 2014), pp. 2413-2440 ...

Matrices with displacement structure, such as Pick, Vandermonde, and Hankel matrices, appear in a diverse range of applications. In this paper, we use an extremal problem involving rational functions ...