2021
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

2020
Conditioning of Partial Nonuniform Fourier Matrices with Clustered Nodes.
SIAM J. Matrix Anal. Appl., 2020

2019
The spectral properties of Vandermonde matrices with clustered nodes.
CoRR, 2019

2018
Stability of partial Fourier matrices with clustered nodes.
CoRR, 2018

2017
A case of multivariate Birkhoff interpolation using high order derivatives.
J. Approx. Theory, 2017