Some Results on Cross-Positive Matrices |
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Authors: | Bit-Shun Tam |
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Institution: | University of Hong Kong Hong Kong, China |
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Abstract: | Let K be a cone in Rn, K1 its dual cone. An n×n matrix A is called cross-positive on K if and only if for all y?K, z?K1 such that (z, y) = 0 we have (z, Ay)?0. In this short note new equivalent conditions for matrices cross-positive on K will be given in terms of the partial ordering in Rn induced by the cone K. |
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