Geodesic
Nonsingularity and $P$-matrices
Applications of Mathematics, Tome 35 (1990) no. 3, pp. 215-219
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New proofs of two previously published theorems relating nonsingularity of interval matrices to $P$-matrices are given.
New proofs of two previously published theorems relating nonsingularity of interval matrices to $P$-matrices are given.
DOI : 10.21136/AM.1990.104405
Classification : 15A03, 15A57, 65F99, 65G10, 65G30
Keywords: nonsingular matrices; $P$-matrices 
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Rohn, Jiří. Nonsingularity and $P$-matrices. Applications of Mathematics, Tome 35 (1990) no. 3, pp. 215-219. doi: 10.21136/AM.1990.104405

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[6] J. Rohn: Characterization of a Linear Program in Standard Form by a Family of Linear Programs with Inequality Constraints. To appear in Ekon.-Mat. Obzor. | MR | Zbl

[7] H. Samelson R. Thrall O. Wesler: A Partition Theorem for Euclidean n-Space. Proc. of the Amer. Math. Society 9 (1958), 805-807. | MR

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