Elif Otkun Cevik, Zameddin I. Ismailov
Abstract:
We study the connection between spectral properties
of direct the sum of operators in the direct sum of Hilbert spaces
and its coordinate operators.
Submitted November 30, 2011. Published November 27, 2012.
Math Subject Classifications: 47A10.
Key Words: Direct sum of Hilbert spaces; spectrum; resolvent set;
compact operators; discrete spectrum; eigenvalues.
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Elif Otkun Çevik Institute of Natural Sciences Karadeniz Technical University 61080, Trabzon, Turkey email: e_otkuncevik@hotmail.com | |
Zameddin I. Ismailov Department of Mathematics, Faculty of Sciences Karadeniz Technical University 61080, Trabzon, Turkey email: zameddin@yahoo.com |
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