The integer cp-rank of 2 × 2 matrices
Laffey Thomas, Šmigoc Helena
Special Matrices · 2019
doi:10.1515/spma-2019-0021 (opens in a new tab)
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Abstract
We show the cp-rank of an integer doubly nonnegative 2 × 2 matrix does not exceed 11.
Abstract licence: CC BY
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