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Keywords: Digraph
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Journal Articles
Arab Journal of Mathematical Sciences (2021) 27 (1): 119–128.
Published: 31 July 2020
...Kalyan Sinha A matrix is a Q 0 -matrix if for every k ∈ { 1,2 , … , n } , the sum of all k × k principal minors is nonnegative. In this paper, we study some necessary and sufficient conditions for a digraph to have Q 0 -completion. Later...
