A Note on Polynomial Operator Approximation

DOI10.2307/2045000zbMath0523.47007OpenAlexW4247624918MaRDI QIDQ3036119

Roger R. Smith, Joseph D. Ward

Publication date: 1983

Full work available at URL: https://doi.org/10.2307/2045000

zbMATH Keywords

polynomial approximationquotient normblock diagonal operatorideal perturbations

Mathematics Subject Classification ID

Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Structure theory of linear operators (47A65)

Related Items

A generalized spectral radius formula and Olsen's question, Semiprojectivity of universal $C^{*}$-algebras generated by algebraic elements

Cites Work

• On the numerical range of a bounded operator
• Locally isometric liftings from quotient C*-algebras
• Quasialgebraic operators, compact perturbations, and the essential norm
• Norms of compact perturbations of operators
• Growth conitions and the numerical range in a Banach algebra
• Ideal perturbations of elements in $C^*$-Algebras.