Positive approximants of normal operators

DOI10.14492/HOKMJ/1381758677zbMath0331.47004OpenAlexW2089315931MaRDI QIDQ1227928

Takashi Sekiguchi

Publication date: 1976

Published in: Hokkaido Mathematical Journal (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.14492/hokmj/1381758677

Mathematics Subject Classification ID

Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65)

Related Items (1)

Normal spectral approximation in \(C^*\)-algebras and in von Neumann-algebras

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