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Volume 4, Issue 1, Article 24 |
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Some Variants of Anderson's Inequality in $C_1$-Classes
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Authors: |
Mecheri Salah, Messaoud Bounkhel, |
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Keywords:
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Elementary operators, Schatten $p$-classes, Orthogonality. |
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Date Received:
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15/10/02 |
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Date Accepted:
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19/02/03 |
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Subject Codes: |
47B47,47A30,47B20,47B10
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Editors: |
Alexander G. Babenko, |
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Abstract: |
The main purpose of this note is to characterize the operators  which are orthogonal to the range of elementary operators, where  is not a smooth point in  by using the  directional derivative.
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