Numerically and spectrally optimal dual frames in Hilbert spaces

DOI10.1016/j.laa.2020.06.005zbMath1446.42041OpenAlexW3033325432MaRDI QIDQ2197200

Ghadir Sadeghi, Ali Akbar Arefijamaal, Fahimeh Arabyani Neyshaburi

Publication date: 28 August 2020

Published in: Linear Algebra and its Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.laa.2020.06.005

zbMATH Keywords

framesoptimal dualsnumerically optimal dualsspectrally optimal duals

Mathematics Subject Classification ID

Hilbert and pre-Hilbert spaces: geometry and topology (including spaces with semidefinite inner product) (46C05) Numerical range, numerical radius (47A12) General harmonic expansions, frames (42C15)

Related Items (5)

Spectrally optimal dual frames for erasures ⋮ Characterization of (weak) phase retrieval dual frames ⋮ Averaged numerically optimal dual frames for erasures ⋮ A new look at optimal dual problem related to fusion frames ⋮ Matrix methods for perfect signal recovery underlying range space of operators

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• Frames and bases. An introductory course
• Product of operators and numerical range
• Sigma-delta (/spl Sigma//spl Delta/) quantization and finite frames
• Geometrically uniform frames
• Classification of Finite Group-Frames and Super-Frames

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