Comment on a result by Alpin, Chien, and Yeh

DOI10.1090/S0002-9939-2012-11375-9zbMath1262.15027OpenAlexW1982404820MaRDI QIDQ4907108

Aaron Melman

Publication date: 4 March 2013

Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1090/s0002-9939-2012-11375-9

zbMATH Keywords

eigenvaluesnumerical rangecompanion matrixnumerical radiusPerron rootinclusion region for eigenvalues

Mathematics Subject Classification ID

Inequalities involving eigenvalues and eigenvectors (15A42) Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Zeros of polynomials, rational functions, and other analytic functions of one complex variable (e.g., zeros of functions with bounded Dirichlet integral) (30C15) Real polynomials: location of zeros (26C10)

Cites Work

• The numerical radius and bounds for zeros of a polynomial

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