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On permanents of positive semidefinite matrices |
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| Authors: | Ravindra Bapat |
| Affiliation: | Indian Statistical Institute New Delhi - 110016, India |
| Abstract: | It is shown in an elementary way that if A and B are positive semidefinite matrices, then per(A + B) ? per A + per B. The conditions under which equality may occur in this inequality are completely described, and some consequences are given. |
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