Normal matrices subordinate to a tree and flat portions of the field of values

DOI10.1016/j.laa.2016.06.008zbMath1343.05093OpenAlexW2409371410MaRDI QIDQ306445

Charles R. Johnson, Morrison Turnansky, Mirjana Stevanovic, Ilya M. Spitkovskij

Publication date: 31 August 2016

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

Full work available at URL: https://doi.org/10.1016/j.laa.2016.06.008

zbMATH Keywords

field of valuesnormal matrixflat boundary portionundirected graph of a matrix

Mathematics Subject Classification ID

Trees (05C05) Combinatorial aspects of matrices (incidence, Hadamard, etc.) (05B20) Graphs and linear algebra (matrices, eigenvalues, etc.) (05C50) Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Hermitian, skew-Hermitian, and related matrices (15B57)

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The Gau-Wu number for \(4 \times 4\) and select arrowhead matrices, Normal matrices subordinate to a graph

Cites Work

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