Dergiler / Hacettepe Journal of Mathematics and Statistics / 2026 / Volume: 43 Issue: 5

On operators of Ap and A∗ p class

R. Eskandari(DEPARTMENT OF MATHEMATICS, PAYAME NOOR UNIVERSITY)
F. Mirzapour(DEPARTMENT OF MATHEMATICS, FACULTY OF SCIENCES, UNIVERSITY OF ZANJAN)
H. Rahmatan(DEPARTMENT OF MATHEMATICS, PAYAME NOOR UNIVERSITY)
Sayfa
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Yayın Tarihi
2014-10-01
DOI
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

We use some known operator inequalities and we show that if T ∈ B(H ) is an Ap−class or an A ∗ p−class operator, then r(T) =k T k . 

📌 3 Maddede Bu Makale

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Amaç & Hipotez:In this paper we study the properties of bounded linear operators namely Ap−class and A ∗ p−class operators that satisfy T ∗T ≤ (T ∗pT p ) 1 p and T T ∗ ≤ (T ∗pT p ) 1 p respectively.
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Temel Bulgular & Veri:In this paper we study the properties of bounded linear operators namely Ap−class and A ∗ p−class operators that satisfy T ∗T ≤ (T ∗pT p ) 1 p and T T ∗ ≤ (T ∗pT p ) 1 p respectively.
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Sonuç & Katkı:We use some known operator inequalities and we show that if T ∈ B(H ) is an Ap−class or an A ∗ p−class operator, then r(T) =k T k . 
🔬Tür:Research Article
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:A−class operator · operator inequality · Spectral radius

Abstract

In this paper we study the properties of bounded linear operators namely Ap−class and A ∗ p−class operators that satisfy T ∗T ≤ (T ∗pT p ) 1 p and T T ∗ ≤ (T ∗pT p ) 1 p respectively. We use some known operator inequalities and we show that if T ∈ B(H ) is an Ap−class or an A ∗ p−class operator, then r(T) =k T k . 

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Bu Makaleye Atıf Yap

Eskandari, R., Mirzapour, F., Rahmatan, H. (2014). On operators of Ap and A∗ p class. Hacettepe Journal of Mathematics and Statistics, Volume: 43 Issue: 5. https://ajindex.com/articles/1403365

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