Flat portions of the numerical range of a $$6 \times 6$$ companion matrix
Author:
Publisher
Springer Science and Business Media LLC
Subject
Algebra and Number Theory,Analysis
Link
https://link.springer.com/content/pdf/10.1007/s43037-023-00284-z.pdf
Reference16 articles.
1. Brown, E.S., Spitkovsky, I.M.: On flat portions on the boundary of the numerical range. Linear Algebra Appl. 390, 75–109 (2004)
2. Chen, W.Y.: On the polynomials with all their zeros on the unit circle. J. Math. Anal. Appl. 190(3), 714–724 (1995)
3. Eldred, J., Rodman, L., Spitkovsky, I.M.: Numerical ranges of companion matrices: flat portions on the boundary. Linear Multilinear Algebra 60(11–12), 1295–1311 (2012)
4. Gau, H.-L., Wu, P.Y.: Numerical range of s($$\varphi $$). Linear Multilinear Algebra 45(1), 49–73 (1998)
5. Gau, H.-L., Wu, P.Y.: Dilation to inflations of s($$\varphi $$). Linear Multilinear Algebra 45(2–3), 109–123 (1998)
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