On the numerical range of square matrices with coefficients in a degree 2 Galois field extension

DOI10.3906/mat-1711-103zbMath1424.15038arXiv1611.01915OpenAlexW2962973599WikidataQ129467883 ScholiaQ129467883MaRDI QIDQ5742715

Edoardo Ballico

Publication date: 8 May 2019

Published in: TURKISH JOURNAL OF MATHEMATICS (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1611.01915

zbMATH Keywords

numerical rangeformally real fieldnumber fieldsesquilinear form

Mathematics Subject Classification ID

Matrices over special rings (quaternions, finite fields, etc.) (15B33) Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Galois theory and commutative ring extensions (13B05)

Related Items

Unnamed Item, Numerical range over finite fields: restriction to subspaces, The numerical range of matrices over F4, A numerical range characterization of unitary matrices over a finite field

Cites Work

• Numerical ranges over finite fields
• On the numerical range of matrices over a finite field
• Matrix Analysis
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