An identity which implies Cohn's theorem on the zeros of a polynomial

DOI10.1016/0022-247X(79)90087-8zbMath0415.30004MaRDI QIDQ599961

N. J. Young

Publication date: 1979

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

zbMATH Keywords

location of zeros of polynomials

Mathematics Subject Classification ID

Zeros of polynomials, rational functions, and other analytic functions of one complex variable (e.g., zeros of functions with bounded Dirichlet integral) (30C15) Polynomials in real and complex fields: location of zeros (algebraic theorems) (12D10) Polynomials and rational functions of one complex variable (30C10)

Related Items (7)

Functions of operators and the spectral radius ⋮ A computing method on stability intervals of time-delay for fractional-order retarded systems with commensurate time-delays ⋮ Zero location by Hermitian forms: the singular case ⋮ A new method for computing delay margins for stability of linear delay systems ⋮ A Computing Approach for Delay Margin of Linear Fractional‐Order Retarded Systems with Commensurate Time Delays ⋮ The solution of Lyapunov's matrix equation by a geometric method ⋮ The singular-value decomposition of an infinite Hankel matrix

Cites Work

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• Norms of powers of matrices with constrained spectra
• The multiplicative structure of 𝐽-contractive matrix functions
• Formulae for the solution of Lyapunov matrix equations

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