On quasi-similarity and w-hyponormal operators

• Autorzy: Otieno M. O.
• Języki publikacji: EN

Abstrakty

EN

In this paper, it is shown that a Putnam-Fuglede type commutativity theorem holds for w-hyponormal operators, the normal parts of quasi-similar w-hyponormal operators are unitarily equivalent and a w-hyponormal spectral operator is normal.

Słowa kluczowe

EN

w-hyponormal operators; quasi-similarity

• Wydawca: AGH University of Science and Technology Press
• Czasopismo: Opuscula Mathematica
• Rocznik: 2007
• Tom: Vol. 27, no. 1
• Strony: 73--81
• Opis fizyczny: Bibliogr. 31 poz.

Twórcy

autor

Otieno M. O.

• Univeristy of Nairobi, School of Mathematics, P.O. Box 30197, Nairobi, Kenya

Bibliografia

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