Approximation by positive operators

DOI10.1007/BF01174903zbMath0243.47026OpenAlexW1969390280MaRDI QIDQ5921526

Takashi Sekiguchi, Teruo Suzuki, Tsuyoshi Ando

Publication date: 1973

Published in: Mathematische Zeitschrift (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/171897

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Approximation by operators (in particular, by integral operators) (41A35) Convex sets and cones of operators (47L07)

Related Items (4)

Best approximation of a nonnormal operator in the trace norm ⋮ Normal spectral approximation in \(C^*\)-algebras and in von Neumann-algebras ⋮ Approximation by Operators with Fixed Nullity ⋮ Approximation in trace norm by positive semidefinite matrices

Cites Work

• Approximate Proper Vectors
• Positive Approximants
• Unnamed Item

This page was built for publication: Approximation by positive operators