The numerical range of a nilpotent operator on a Hilbert space

DOI10.1090/S0002-9939-04-07391-5zbMath1069.47005OpenAlexW3146018769MaRDI QIDQ4813642

Mubariz T. Garayev

Publication date: 13 August 2004

Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1090/s0002-9939-04-07391-5

zbMATH Keywords

numerical rangenumerical radiusnilpotent operatorSzőkefalvi--Nagy--Foias functional model

Mathematics Subject Classification ID

Numerical range, numerical radius (47A12) Miscellaneous inequalities involving matrices (15A45) Trigonometric polynomials, inequalities, extremal problems (42A05)

Related Items

On some norm equalities in pre-Hilbert \(C^{\ast}\)-modules ⋮ When is the numerical range of a nilpotent matrix circular? ⋮ Numerical range and numerical radius for some operators

Cites Work

• Numerical range and accretivity of operator products
• The Numerical Radius of a Nilpotent Operator on a Hilbert Space
• The Boundary of the Numerical Range
• Matrices with Circular Symmetry on their Unitary Orbits and C-Numerical Ranges
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