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Generalized tournament matrices with the same principal minors
Linear and Multilinear Algebra ( IF 1.1 ) Pub Date : 2021-04-26 , DOI: 10.1080/03081087.2021.1917500 A. Boussaïri 1 , A. Chaïchaâ 1 , B. Chergui 1 , S. Lakhlifi 1
中文翻译:
具有相同主要未成年人的广义锦标赛矩阵
更新日期:2021-04-26
Linear and Multilinear Algebra ( IF 1.1 ) Pub Date : 2021-04-26 , DOI: 10.1080/03081087.2021.1917500 A. Boussaïri 1 , A. Chaïchaâ 1 , B. Chergui 1 , S. Lakhlifi 1
Affiliation
A generalized tournament matrix M is a nonnegative matrix that satisfies , where J is the all ones matrix and I is the identity matrix. In this paper, a characterization of generalized tournament matrices with the same principal minors of orders 2, 3, and 4 is given. In particular, it is proven that the principal minors of orders 2, 3, and 4 determine the rest of the principal minors.
中文翻译:
具有相同主要未成年人的广义锦标赛矩阵
广义锦标赛矩阵M是满足以下条件的非负矩阵,其中J是全一矩阵,I是单位矩阵。在本文中,给出了具有 2、3 和 4 阶相同主要未成年人的广义锦标赛矩阵的特征。特别地,证明了2、3、4阶的主要未成年人决定了其余的主要未成年人。