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Nonnegative rank of a matrix with one negative eigenvalue |
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| Authors: | Yaroslav Shitov |
| Affiliation: | 1. National Research University Higher School of Economics, Moscow, Russia.yaroslav-shitov@yandex.ru |
| Abstract: | We show that a rank-three symmetric matrix with exactly one negative eigenvalue can have arbitrarily large nonnegative rank. |
| Keywords: | nonnegative matrices eigenvalues matrix factorization |