Geodesic
Strong $\mathbf {X}$-robustness of interval max-min matrices
Kybernetika, Tome 57 (2021) no. 4, pp. 594-612

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In max-min algebra the standard pair of operations plus and times is replaced by the pair of operations maximum and minimum, respectively. A max-min matrix $A$ is called strongly robust if the orbit $x,A\otimes x, A^2\otimes x,\dots$ reaches the greatest eigenvector with any starting vector. We study a special type of the strong robustness called the strong \textit{\textbf{X}}-robustness, the case that a starting vector is limited by a lower bound vector and an upper bound vector. The equivalent condition for the strong \textit{\textbf{X}}-robustness is introduced and efficient algorithms for verifying the strong \textit{\textbf{X}}-robustness is described. The strong \textit{\textbf{X}}-robustness of a max-min matrix is extended to interval vectors \textit{\textbf{X}} and interval matrices \textit{\textbf{A}} using for-all-exists quantification of their interval and matrix entries. A complete characterization of AE/EA strong \textit{\textbf{X}}-robustness of interval circulant matrices is presented.
DOI : 10.14736/kyb-2021-4-0594
Classification : 15A18, 15A80, 93C55
Keywords: max-min algebra; interval matrix; strong robustness; AE(EA) robustness 
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     title = {Strong $\mathbf {X}$-robustness of interval max-min matrices},
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Myšková, Helena; Plavka, Ján. Strong $\mathbf {X}$-robustness of interval max-min matrices. Kybernetika, Tome 57 (2021) no. 4, pp. 594-612. doi: 10.14736/kyb-2021-4-0594

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