| Title:
|
A note on classes of structured matrices with elliptical type numerical range (English) |
| Author:
|
Bebiano, Natália |
| Author:
|
Furtado, Susana |
| Language:
|
English |
| Journal:
|
Czechoslovak Mathematical Journal |
| ISSN:
|
0011-4642 (print) |
| ISSN:
|
1572-9141 (online) |
| Volume:
|
71 |
| Issue:
|
4 |
| Year:
|
2021 |
| Pages:
|
1015-1023 |
| Summary lang:
|
English |
| . |
| Category:
|
math |
| . |
| Summary:
|
We identify new classes of structured matrices whose numerical range is of the elliptical type, that is, an elliptical disk or the convex hull of elliptical disks. (English) |
| Keyword:
|
tridiagonal matrix |
| Keyword:
|
antitridiagonal matrix |
| Keyword:
|
elliptical disk |
| Keyword:
|
numerical range |
| MSC:
|
15A21 |
| MSC:
|
15A60 |
| idZBL:
|
Zbl 07442470 |
| idMR:
|
MR4339107 |
| DOI:
|
10.21136/CMJ.2021.0174-20 |
| . |
| Date available:
|
2021-11-08T15:59:03Z |
| Last updated:
|
2024-01-01 |
| Stable URL:
|
http://hdl.handle.net/10338.dmlcz/149234 |
| . |
| Reference:
|
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| Reference:
|
[2] Bebiano, N., Furtado, S.: Remarks on anti-tridiagonal matrices.Appl. Math. Comput. 373 (2020), Article ID 125008, 10 pages. Zbl 1437.15017, MR 4051886, 10.1016/j.amc.2019.125008 |
| Reference:
|
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| Reference:
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| Reference:
|
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| Reference:
|
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| Reference:
|
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| Reference:
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| Reference:
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| Reference:
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| Reference:
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| Reference:
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| Reference:
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| Reference:
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| Reference:
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| Reference:
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| . |
