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Flat portions on the boundary of the indefinite numerical range of 3×3 matrices
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Orientador(es)
Resumo(s)
We focus on complex 3×3 matrices whose indefinite numerical ranges have a flat portion on the boundary. The results here obtained are parallel to those of Keeler, Rodman and Spitkovsky for the classical numerical range.
Descrição
Copyright © 2008 Elsevier Inc. All rights reserved.
Palavras-chave
Indefinite Numerical Range Indefinite Inner Product Space Plane Algebraic Curve Flat Portion
Contexto Educativo
Citação
Teixeira, Ricardo; Bebiano, Natália; Providência, João da (2008). «Flat portions on the boundary of the indefinite numerical range of 3×3 matrices». "Linear Algebra and its Applications", 428, nº 11-12, 2863-2879.
Editora
Elsevier