Error localization of best $L_{1}$ polynomial approximants

An important observation in compressed sensing is that the $\ell_0$ minimizer of an underdetermined linear system is equal to the $\ell_1$ minimizer when there exists a sparse solution vector and a certain restricted isometry property holds. Here, we develop a continuous analogue of this observation...

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Bibliografische gegevens
Hoofdauteurs: Nakatsukasa, Y, Townsend, A
Formaat: Journal article
Taal:English
Gepubliceerd in: Society for Industrial and Applied Mathematics 2021