Two projections and one idempotent
| Autor(en): | Behncke, H. Nyamwala, F.O. |
Stichwörter: | Idempotents; Projections | Erscheinungsdatum: | 2009 | Journal: | International Journal of Pure and Applied Mathematics | Volumen: | 52 | Ausgabe: | 4 | Startseite: | 501 | Seitenende: | 510 | Zusammenfassung: | We state the unitary invariants of a pair of projections P and Q and its canonical representation. From this the unitary invariants and canonical form of idempotents are deduced. With this a number of well-known results on projections and idempotents can be derived easily. Finally quadratically normal operators are introduced and analyzed. © 2009 Academic Publications. |
ISSN: | 13118080 | Externe URL: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-78649778224&partnerID=40&md5=4b321a05a1bee76b895b68af62dc650c |
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