Numerical radius inequalities of operator matrices with applications
Fuente:
arXiv
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| Auteurs principaux: | , , |
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| Format: | Preprint |
| Publié: |
2019
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| _version_ | 1866911982946353152 |
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| author | Bhunia, Pintu Bag, Santanu Paul, Kallol |
| author_facet | Bhunia, Pintu Bag, Santanu Paul, Kallol |
| contents | We present upper and lower bounds for the numerical radius of $2 \times 2$ operator matrices which improves on the existing bound for the same. As an application of the results obtained we give a better estimation for the zeros of a polynomial. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_1903_06857 |
| institution | arXiv |
| publishDate | 2019 |
| record_format | arxiv |
| spellingShingle | Numerical radius inequalities of operator matrices with applications Bhunia, Pintu Bag, Santanu Paul, Kallol Functional Analysis Primary 47A12, 15A60, 26C10 We present upper and lower bounds for the numerical radius of $2 \times 2$ operator matrices which improves on the existing bound for the same. As an application of the results obtained we give a better estimation for the zeros of a polynomial. |
| title | Numerical radius inequalities of operator matrices with applications |
| topic | Functional Analysis Primary 47A12, 15A60, 26C10 |
| url | https://arxiv.org/abs/1903.06857 |