Square Roots of Real 3 × 3 Matrices vs. Quartic Polynomials with Real Zeros

DOI10.1515/AUOM-2017-0034zbMATH Open1424.15013OpenAlexW2785624308MaRDI QIDQ5382820

Nicolae Anghel

Publication date: 18 June 2019

Published in: Analele Universitatii "Ovidius" Constanta - Seria Matematica (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1515/auom-2017-0034

zbMATH Keywords

characteristic polynomialJordan canonical formmatrix square rootquartic polynomial equation

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) Real polynomials: location of zeros (26C10) Matrix exponential and similar functions of matrices (15A16)

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