Approximation by partial isometries and symmetric approximation of finite frames
DOI10.1007/s00041-017-9547-5zbMath1421.42016arXiv1611.01543OpenAlexW2556743517MaRDI QIDQ667666
Jorge Antezana, Eduardo Chiumiento
Publication date: 1 March 2019
Published in: The Journal of Fourier Analysis and Applications (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/1611.01543
singular value decompositionpolar decompositionpartial isometryunitarily invariant normsfinite frameLöwdin orthogonalizationsymmetric approximation
Eigenvalues, singular values, and eigenvectors (15A18) General harmonic expansions, frames (42C15) Approximation with constraints (41A29) Uniqueness of best approximation (41A52)
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Cites Work
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