A new family of spectrally arbitrary ray patterns
Czechoslovak Mathematical Journal, Tome 66 (2016) no. 4, pp. 1049-1058.

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An $n\times n$ ray pattern $\mathcal {A}$ is called a spectrally arbitrary ray pattern if the complex matrices in $Q(\mathcal {A})$ give rise to all possible complex polynomials of degree $n$. \endgraf In a paper of Mei, Gao, Shao, and Wang (2014) was proved that the minimum number of nonzeros in an $n\times n$ irreducible spectrally arbitrary ray pattern is $3n-1$. In this paper, we introduce a new family of spectrally arbitrary ray patterns of order $n$ with exactly $3n-1$ nonzeros.
DOI : 10.1007/s10587-016-0309-3
Classification : 15A18, 15A29
Mots-clés : ray pattern; potentially nilpotent; spectrally arbitrary ray pattern 
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     title = {A new family of spectrally arbitrary ray patterns},
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Mei, Yinzhen; Gao, Yubin; Shao, Yanling; Wang, Peng. A new family of spectrally arbitrary ray patterns. Czechoslovak Mathematical Journal, Tome 66 (2016) no. 4, pp. 1049-1058. doi : 10.1007/s10587-016-0309-3. https://geodesic-test.mathdoc.fr/articles/10.1007/s10587-016-0309-3/

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