Approximation in trace norm by positive semidefinite matrices

DOI10.1016/0024-3795(85)90230-7zbMath0577.41016OpenAlexW1973293907MaRDI QIDQ1066026

B. George

Publication date: 1985

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

Full work available at URL: https://doi.org/10.1016/0024-3795(85)90230-7

zbMATH Keywords

positive semidefinite matrixbest approximation of a matrix

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50)

Related Items

Contracting positive approximation in trace norm, Best approximation of a nonnormal operator in the trace norm, On a question of P.R. Halmos, Approximation by positive operators, Normal approximants to binormal operators

Cites Work

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• Best Approximation of a Normal Operator in the Schatten p-Norm
• On Positive Contractions In L p -Spaces
• Interpolation zwischen den Klassen 𝔖_p von Operatoren in Hilberträumen
• Approximation by positive operators