Unitary approximation
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Publication:1825414
DOI10.1016/0022-1236(89)90042-6zbMath0684.46049OpenAlexW4213023572MaRDI QIDQ1825414
Publication date: 1989
Published in: Journal of Functional Analysis (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1016/0022-1236(89)90042-6
von Neumann algebraunitary groupunitary operatorsunitary approximants for certain Fredholm and semi- Fredholm operators of non-zero index
General theory of von Neumann algebras (46L10) (Semi-) Fredholm operators; index theories (47A53) Linear operators in (C^*)- or von Neumann algebras (47C15)
Related Items (6)
On the extension of isometries between the unit spheres of von Neumann algebras ⋮ Real linear operator theory and its applications ⋮ Aluthge transform of operators on the Bergman space ⋮ Energy conservation and unitary approximation numbers ⋮ Sufficient conditions on nonunitary operators that imply the unitary operators ⋮ On continuity of the spectral radius function in Banach algebras
Cites Work
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- Hilbert-Schmidt approximation problems arising in quantum chemistry
- Generalized dimension function for \(W*\)-algebras of infinite type
- Convex combinations of unitary operators in von Neumann algebras
- Unitary approximation of positive operators
- Projections in Banach algebras
- Index theory in von Neumann algebras
- Spectral approximants of normal operators
- Two-sided ideals in W*-algebras.
- The Closure of the Regular Operators in a Ring of Operators
- Some Metric Inequalities in the Space of Matrices
- Theory of operator algebras I.
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