Matrices with invariant by rotation numerical ranges
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_ | 1866914068988690432 |
|---|---|
| author | Crouzeix, Michel |
| author_facet | Crouzeix, Michel |
| contents | We characterize the d x d matrices whose numerical ranges are invariant by rotations of angle 2$π$/d. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_20631 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Matrices with invariant by rotation numerical ranges Crouzeix, Michel Functional Analysis Numerical Analysis We characterize the d x d matrices whose numerical ranges are invariant by rotations of angle 2$π$/d. |
| title | Matrices with invariant by rotation numerical ranges |
| topic | Functional Analysis Numerical Analysis |
| url | https://arxiv.org/abs/2507.20631 |