Spectra of completely log-hyponormal operators |
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| Authors: | M. Chō T. Huruya M. Itoh |
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| Affiliation: | (1) Department of Mathematics, Kanagawa University, 221-8686 Yokohama, Japan;(2) Faculty of Education, Niigata University, 950-2181 Niigata, Japan;(3) Department of Mathematics, Sasebo College of Technology, 857-1193 Sasebo, Japan |
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| Abstract: | An operatorT on a Hilbert space is called log-hyponormal if it is invertible and log(T * T)≥log(T * T). In this paper we study spectral properties of completely log-hyponormal operators. Dedicated to professor Robin Harte on his sixtieth birthday This research is partially supported by Grant-in-Aid Scientific Research (No. 09640229). |
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| Keywords: | Primary 47G10 |
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