Some numerical radius inequalities for d-tuples of operators

Our aim in this paper is to give new numerical radius inequalities for d-tuples of operators on a complex Hilbert space. We prove several inequalities for multivarible operators on a complex Hilbert space. Based on that some numerical radius inequalities due to Dragomir for a single operator.

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Main Authors: Messaoud Guesba, Ould Ahmed Mahmoud Sid Ahmed
Format: Article
Language:English
Published: University Constantin Brancusi of Targu-Jiu 2025-02-01
Series:Surveys in Mathematics and its Applications
Subjects:
Online Access:https://www.utgjiu.ro/math/sma/v20/p20_01.pdf
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author Messaoud Guesba
Ould Ahmed Mahmoud Sid Ahmed
author_facet Messaoud Guesba
Ould Ahmed Mahmoud Sid Ahmed
author_sort Messaoud Guesba
collection DOAJ
description Our aim in this paper is to give new numerical radius inequalities for d-tuples of operators on a complex Hilbert space. We prove several inequalities for multivarible operators on a complex Hilbert space. Based on that some numerical radius inequalities due to Dragomir for a single operator.
format Article
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institution DOAJ
issn 1843-7265
1842-6298
language English
publishDate 2025-02-01
publisher University Constantin Brancusi of Targu-Jiu
record_format Article
series Surveys in Mathematics and its Applications
spelling doaj-art-93d4fe055de04fdfaecfff3a82cb5e6a2025-08-20T02:48:34ZengUniversity Constantin Brancusi of Targu-JiuSurveys in Mathematics and its Applications1843-72651842-62982025-02-0120 (2025)112Some numerical radius inequalities for d-tuples of operatorsMessaoud Guesba0Ould Ahmed Mahmoud Sid Ahmed1Faculty of Exact Sciences, Department of Mathematics. El Oued University, 39000 Algeria.Mathematics Department, College of Science. Jouf University Sakaka 2014. Saudi Arabia.Our aim in this paper is to give new numerical radius inequalities for d-tuples of operators on a complex Hilbert space. We prove several inequalities for multivarible operators on a complex Hilbert space. Based on that some numerical radius inequalities due to Dragomir for a single operator. https://www.utgjiu.ro/math/sma/v20/p20_01.pdfjoint numerical radiusjoint operator norminequalitiesnormal operator
spellingShingle Messaoud Guesba
Ould Ahmed Mahmoud Sid Ahmed
Some numerical radius inequalities for d-tuples of operators
Surveys in Mathematics and its Applications
joint numerical radius
joint operator norm
inequalities
normal operator
title Some numerical radius inequalities for d-tuples of operators
title_full Some numerical radius inequalities for d-tuples of operators
title_fullStr Some numerical radius inequalities for d-tuples of operators
title_full_unstemmed Some numerical radius inequalities for d-tuples of operators
title_short Some numerical radius inequalities for d-tuples of operators
title_sort some numerical radius inequalities for d tuples of operators
topic joint numerical radius
joint operator norm
inequalities
normal operator
url https://www.utgjiu.ro/math/sma/v20/p20_01.pdf
work_keys_str_mv AT messaoudguesba somenumericalradiusinequalitiesfordtuplesofoperators
AT ouldahmedmahmoudsidahmed somenumericalradiusinequalitiesfordtuplesofoperators