In this paper, we investigate and describe all the minimal completions and covers of the symmetric, Hankel symmetric, and centrosymmetric doubly substochastic matrices, respectively.
"The Minimum Completions and Covers of Symmetric, Hankel Symmetric, and Centrosymmetric Doubly Substochastic Matrices." Missouri J. Math. Sci. 31 (2) 164 - 173, November 2019. https://doi.org/10.35834/2019/3102164