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Extension of Rotfel’d Theorem |
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| Authors: | Eun-Young Lee |
| Institution: | Department of Mathematics, Kyungpook National University, Taegu 702-701, Republic of Korea |
| Abstract: | Let f(t) be a non-negative concave function on the positive half-line. Given an arbitrary partitioned positive semi-definite matrix, we show that |
| Keywords: | Primary: 15A60 47A30 47A60 |
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