Isolated point of spectrum of \(p\)-hyponormal, log-hyponormal operators.

DOI10.1007/BF01212700zbMath1047.47017OpenAlexW2327669251MaRDI QIDQ1865931

Kôtarô Tanahashi, Muneo Chō

Publication date: 15 July 2003

Published in: Integral Equations and Operator Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf01212700

zbMATH Keywords

Riesz idempotentisolated point of spectrum\(p\)-hyponormal and log-hyponormal operators

Mathematics Subject Classification ID

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

Related Items (10)

On \(k\)-quasi-\(*\)-paranormal operators ⋮ On operators satisfying \(T^{*}|T^2|T\geq T^{*}|T|^{2}T\) ⋮ On operators satisfying \(T^*|T^{2}|T \geq T^*|T^*|^{2}T\) ⋮ Weyl’s theorem and Putnam’s inequality for class p-wA(s, t) operators ⋮ Spectrum of class \(wF(p,r,q)\) operators ⋮ Weyl-type theorems and \(k\)-quasi-\(M\)-hyponormal operators ⋮ On \(k\)-quasiclass \(A\) operators ⋮ RIESZ PROJECTIONS FOR A NON-HYPONORMAL OPERATOR ⋮ Isolated points of spectrum of (\(p,k\))-quasihyponormal operators ⋮ CONTINUITY OF THE SPECTRUM ON A CLASS A(κ)

Cites Work

• Spectral theory of hyponormal operators
• Berger-Shaw's theorem for \(p\)-hyponormal operators
• On log-hyponormal operators
• Putnam's inequality for log-hyponormal operators
• A note on \(p\)-hyponormal operators for \(0<p<1\)
• Some generalized theorems on \(p\)-hyponormal operators
• On p-hyponormal operators for \(0<p<1\)
• The p-Hyponormality of The Aluthge Transform.
• A note on $p$-hyponormal operators
• Common operator properties of the linear operators 𝑅𝑆 and 𝑆𝑅
• Putnam's Inequality for p-Hyponormal Operators
• Hyponormal operators and spectral density
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