The Closure of the Regular Operators in a Ring of Operators

DOI10.2307/2032555zbMath0056.33704OpenAlexW4246554676MaRDI QIDQ5829292

Jacob Feldman, Richard V. Kadison

Publication date: 1954

Full work available at URL: https://doi.org/10.2307/2032555

zbMATH Keywords

Functional analysis

Related Items (19)

Approximation by Invertibles ⋮ Convex combinations of unitary operators in von Neumann algebras ⋮ Generalized Fredholm Operators and the Boundary of the Maximal Group of Invertible Operators ⋮ Closure of Invertible Operators on a Hilbert Space ⋮ An extremal property of the polar decomposition in von Neumann algebras ⋮ Harmonic analysis on unitary groups ⋮ On typical properties of Hilbert space operators ⋮ Equivalence after extension and matricial coupling coincide with Schur coupling, on separable Hilbert spaces ⋮ Schur coupling and related equivalence relations for operators on a Hilbert space ⋮ Products of projections in von Neumann algebras ⋮ On the relation between an operator and its self-commutator ⋮ AOP mappings and the distance to the scalar multiples of isometries ⋮ Bounded, Conservative, Linear Operators and the Maximal Group. II ⋮ Vecteurs totalisateurs d'une algébre de von Neumann ⋮ Unitary approximation ⋮ Approximating Fredholm operators on a nonseparable Hilbert space ⋮ Approximation by Operators with Fixed Nullity ⋮ Approximation by semi-Fredholm operators with fixed nullity ⋮ On continuity of the spectral radius function in Banach algebras

Cites Work

• On rings of operators
• The singular elements of a Banach algebra
• Transformations between Banach spaces in the uniform topology
• Projections in Banach algebras
• Infinite Unitary Groups

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