Spectral estimates in the quantum annulus and in the numerical annulus
Fuente:
arXiv
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| Autore principale: | |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| Soggetti: | |
| Accesso online: | |
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| _version_ | 1866915672408195072 |
|---|---|
| author | Crouzeix, Michel |
| author_facet | Crouzeix, Michel |
| contents | We improve previous estimates for matrices belonging to the quantum annulus or to the numerical annulus. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_11813 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Spectral estimates in the quantum annulus and in the numerical annulus Crouzeix, Michel Spectral Theory Functional Analysis Operator Algebras We improve previous estimates for matrices belonging to the quantum annulus or to the numerical annulus. |
| title | Spectral estimates in the quantum annulus and in the numerical annulus |
| topic | Spectral Theory Functional Analysis Operator Algebras |
| url | https://arxiv.org/abs/2512.11813 |