Single-exponential bounds for the smallest singular value of Vandermonde matrices in the sub-Rayleigh regime

Title
Single-exponential bounds for the smallest singular value of Vandermonde matrices in the sub-Rayleigh regime
Authors
Keywords
Vandermonde matrices with nodes on the unit circle, Nonuniform Fourier matrices, Sub-Rayleigh resolution, Singular values, Super-resolution, Condition number
Journal
APPLIED AND COMPUTATIONAL HARMONIC ANALYSIS
Volume 55, Issue -, Pages 426-439
Publisher
Elsevier BV
Online
2021-07-24
DOI
10.1016/j.acha.2021.07.003

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