scientific article

zbMath0594.47019MaRDI QIDQ3725012

Jun Ichi Fujii

Publication date: 1986

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

operator meansoperator concave functionexact interpolation of a positive contractionoperator monotone function version of Donoghue's theoremsubinterpolation of a positive operator

Mathematics Subject Classification ID

Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Functional calculus for linear operators (47A60) Abstract interpolation of topological vector spaces (46M35)

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