A comment on coposinormal operators
Hyponormal operators are necessarily posinormal, but they need not be coposinormal. Coposinormality can nevertheless sometimes be an aid in determining hyponormality. This idea is applied to coposinormal factorable matrices whose interrupter is diagonal. Examples are given, including some Toeplit...
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| Format: | Article |
| Language: | English |
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Università degli Studi di Catania
2013-05-01
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| Series: | Le Matematiche |
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| Online Access: | http://www.dmi.unict.it/ojs/index.php/lematematiche/article/view/955 |