Isolated points of spectrum of (\(p,k\))-quasihyponormal operators

DOI10.1016/j.laa.2003.12.021zbMath1058.47020OpenAlexW1996684807MaRDI QIDQ1826824

Muneo Chō, Atsushi Uchiyama, Kôtarô Tanahashi

Publication date: 6 August 2004

Published in: Linear Algebra and its Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.laa.2003.12.021

zbMATH Keywords

\(p\)-hyponormal operatorcomplex Hilbert spaceRiesz idempotent\((p,k)\)-quasihyponormal operator\(p\)-quasihyponormal operator

Mathematics Subject Classification ID

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

Related Items (16)

Normal Operators and their Generalizations ⋮ Polaroid operators with SVEP and perturbations of property \((gw)\) ⋮ On extensions of some Flugede–Putnam type theorems involving (p, k)‐quasihyponormal, spectral, and dominant operators ⋮ On \(p\)-quasi-hyponormal operators ⋮ Spectral properties of n-normal operators ⋮ On Wold-type decomposition ⋮ Polaroid operators, SVEP and perturbed Browder, Weyl theorems ⋮ On \(k\)-quasiclass \(A\) operators ⋮ Subscalarity of \((p,k)\)-quasihyponormal operators ⋮ The Fuglede--Putnam theorem for \((p,k)\)-quasihyponormal operators ⋮ Continuity of the spectrum on a class of upper triangular operator matrices ⋮ Paranormal and \((p,k)\)-quasihyponormal operators: spectral continuity ⋮ Quasinilpotent Part of class A or (p, k)-quasihyponormal Operators ⋮ Property \((w)\) and perturbations. III ⋮ Fuglede-Putnam type theorems for \((p, k)\)-quasihyponormal operators via hyponormal operators ⋮ Riesz projections for a class of Hilbert space operators

Cites Work

• Unnamed Item
• Unnamed Item
• Unnamed Item
• Spectral theory of hyponormal operators
• Inequalities of Putnam and Berger-Shaw for \(p\)-quasihyponormal operators
• Some generalized theorems on \(p\)-quasihyponormal operators for \(0<p<1\)
• Isolated point of spectrum of \(p\)-hyponormal, log-hyponormal operators.
• \(c_ p\)
• On p-hyponormal operators for \(0<p<1\)
• Beiträge zur Störungstheorie der Spektralzerlegung
• On (p,k)-quasihyponormal operators
• Hyponormal operators and spectral density
• An operator inequality
• Isolated point of spectrum of \(p\)-quasihyponormal operators

This page was built for publication: Isolated points of spectrum of (\(p,k\))-quasihyponormal operators