Elevating Precision in Inequalities for Numerical Radii and Operator Matrices
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arXiv
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| Format: | Preprint |
| Veröffentlicht: |
2024
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| _version_ | 1866914964754661376 |
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| author | Rashid, M. H. M. |
| author_facet | Rashid, M. H. M. |
| contents | In this paper, we aim to establish a range of numerical radius inequalities. These discoveries will bring us to a recently validated numerical radius inequality and will present numerical radius inequalities that exhibit enhanced precision when compared to those recently established for particular cases. Additionally, we employ the generalized Aluthge transform for operators to deduce a set of inequalities pertaining to the numerical radius. Moreover, we set forth various upper and lower bounds for the numerical radius of $2\times 2$ operator matrices, refining and expanding upon the bounds determined previously. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_03563 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Elevating Precision in Inequalities for Numerical Radii and Operator Matrices Rashid, M. H. M. Functional Analysis Operator Algebras Primary: 47A12 Secondary: 47A30, 47A10, 47A11, 47B20 In this paper, we aim to establish a range of numerical radius inequalities. These discoveries will bring us to a recently validated numerical radius inequality and will present numerical radius inequalities that exhibit enhanced precision when compared to those recently established for particular cases. Additionally, we employ the generalized Aluthge transform for operators to deduce a set of inequalities pertaining to the numerical radius. Moreover, we set forth various upper and lower bounds for the numerical radius of $2\times 2$ operator matrices, refining and expanding upon the bounds determined previously. |
| title | Elevating Precision in Inequalities for Numerical Radii and Operator Matrices |
| topic | Functional Analysis Operator Algebras Primary: 47A12 Secondary: 47A30, 47A10, 47A11, 47B20 |
| url | https://arxiv.org/abs/2410.03563 |