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

Voir la notice de l'article dans Czech Digital Mathematics Library

An n×n ray pattern A is called a spectrally arbitrary ray pattern if the complex matrices in Q(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×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},
     journal = {Czechoslovak Mathematical Journal},
     pages = {1049--1058},
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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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