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- W4301142994 abstract "Let $A in {cal C}^n$ be an extremal copositive matrix with unit diagonal. Then the minimal zeros of $A$ all have supports of cardinality two if and only if the elements of $A$ are all from the set ${-1,0,1}$. Thus the extremal copositive matrices with minimal zero supports of cardinality two are exactly those matrices which can be obtained by diagonal scaling from the extremal ${-1,0,1}$ unit diagonal matrices characterized by Hoffman and Pereira in 1973." @default.
- W4301142994 created "2022-10-04" @default.
- W4301142994 creator A5045144923 @default.
- W4301142994 date "2017-07-27" @default.
- W4301142994 modified "2023-09-29" @default.
- W4301142994 title "Extremal copositive matrices with minimal zero supports of cardinality two" @default.
- W4301142994 doi "https://doi.org/10.48550/arxiv.1707.08862" @default.
- W4301142994 hasPublicationYear "2017" @default.
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