Centered operators
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Studia Mathematica
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Bernard Morrel, Paul Muhly (1974)
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Lavon Page (1982)
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J. Vukman (1987)
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William F. Donoghue (1963)
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Arora, S.C., Sahdev, Shiv Kumar (1993)
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Pietsch, A.
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In this paper, we introduce the angular cutting and the generalized polar symbols of a p-hyponormal operator T in the case where U of the polar decomposition T = U|T| is not unitary and study spectral properties of it.