Abraham Berman, Naomi Shaked-Monderer, Completely positive matrices over sets, Vol. 2025 (2025), Article ID 23, pp. 1-5

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DOI: 10.23952/cot.2025.23

Received December 10, 2023; Accepted May 31, 2024; Published online February 23, 2025

Abstract. For a subset $S$ of the nonnegative numbers, a matrix $A$ is completely positive over $S$ if $A=BB^T$ , where all the entries of $B$ are elements of $S$ . This is a survey of results on completely positive matrices over some special classes of nonnegative numbers.

How to Cite this Article:
A. Berman, N. Shaked-Monderer, Completely positive matrices over sets, Commun. Optim. Theory 2025 (2025) 23.