Numerical Range of a Weighted Shift with Periodic Weights

DOI10.2307/2041852zbMath0322.47019OpenAlexW4231127081MaRDI QIDQ4084838

William C. Ridge

Publication date: 1976

Full work available at URL: https://doi.org/10.2307/2041852

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Subnormal operators, hyponormal operators, etc. (47B20)

Related Items

Determinantal polynomials of a weighted shift matrix with palindromic geometric weights ⋮ Numerical radii of weighted shift operators using determinantal polynomials ⋮ The Numerical Range of a Weighted Shift ⋮ The \(q\)-numerical radius of weighted shift operators with periodic weights ⋮ On the numerical range of some weighted shift operators ⋮ On the normalized numerical range ⋮ Determinantal polynomials of weighted shift matrices with palindromic harmonic weights ⋮ Determinantal polynomials of some weighted shift matrices with palindromic weights ⋮ Numerical radii of weighted shift matrices with palindromic weights using determinantal polynomials ⋮ Numerical ranges of weighted shift matrices ⋮ Singular points of cyclic weighted shift matrices ⋮ A note on Anderson's theorem in the infinite-dimensional setting ⋮ Maximizing numerical radii of weighted shifts under weight permutations ⋮ On a conjecture of Ridge ⋮ Numerical ranges of weighted shifts ⋮ Numerical ranges of normal weighted composition operators on \(\ell^2(\mathbb N)\)

Cites Work

• Approximate Point Spectrum of a Weighted Shift

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