Geometry of error amplification in solving the Prony system with near-colliding nodes.
Math. Comput., 2021
Single-exponential bounds for the smallest singular value of Vandermonde matrices in the sub-Rayleigh regime.
CoRR, 2021
Conditioning of Partial Nonuniform Fourier Matrices with Clustered Nodes.
SIAM J. Matrix Anal. Appl., 2020
The spectral properties of Vandermonde matrices with clustered nodes.
CoRR, 2019
Stability of partial Fourier matrices with clustered nodes.
CoRR, 2018
A case of multivariate Birkhoff interpolation using high order derivatives.
J. Approx. Theory, 2017