Work

11 can be reduced to 10

Year: 2025
Type: preprint
Abstract: Laffey and Smigoc proved that for every 2x2 doubly nonnegative integer matrix A, icpr(A) is less than or equal to 11. We prove that 11 can be replaced by 10, and show that for many small matrices, even by 9.15
Language: English
Open Access status: green
OpenAlex ID: W6979228089
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