2 papers
math.NA2025
Blind free deconvolution over one-parameter sparse families via eigenmatrix
Lexing Ying
This note considers the blind free deconvolution problems of sparse spectral measures from one-parameter families. These problems pose significant challenges since they involve non…
math.NA2025
Sparse free deconvolution under unknown noise level via eigenmatrix
Lexing Ying
This note considers the spectral estimation problems of sparse spectral measures under unknown noise levels. The main technical tool is the eigenmatrix method for solving unstructu…