Singularities of base polynomials and Gau-Wu numbers

DOI10.1016/j.laa.2019.07.005zbMath1423.15020arXiv1903.05183OpenAlexW2920941962MaRDI QIDQ2273869

Patrick X. Rault, Rebekah B. Johnson Yates, Tsvetanka Sendova, Louis Deaett, Kristin A. Camenga, Ilya M. Spitkovskij

Publication date: 18 September 2019

Published in: Linear Algebra and its Applications (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1903.05183

zbMATH Keywords

numerical rangesingularityfield of valuesirreducibleGau-Wu numberboundary generating curve

Mathematics Subject Classification ID

Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Special algebraic curves and curves of low genus (14H45)

Related Items (3)

The Gau-Wu number for \(4 \times 4\) and select arrowhead matrices ⋮ On the geometry of numerical ranges over finite fields ⋮ Kippenhahn's Theorem for Joint Numerical Ranges and Quantum States

Cites Work

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• Singular points of the ternary polynomials associated with 4-by-4 matrices
• Matrix Analysis
• The Lax conjecture is true
• On Matrices with Elliptical Numerical Ranges
• On the numerical range of a matrix
• Über den Wertevorrat einer Matrix

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