The boundary of the Q-numerical range of some Toeplitz nilpotent matrix

zbMath1383.15020MaRDI QIDQ1685901

Hiroshi Nakazato, Peng-Ruei Huang

Publication date: 20 December 2017

Published in: Nihonkai Mathematical Journal (Search for Journal in Brave)

Full work available at URL: https://projecteuclid.org/euclid.nihmj/1505419749

zbMATH Keywords

numerical rangeconvex setnilpotent matrix\(q\)-numerical range

Mathematics Subject Classification ID

Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60)

Uses Software

• Mathematica

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