Title of article
Flat portions on the boundary of the indefinite numerical range of 3×3 matrices Original Research Article
Author/Authors
N. Bebiano، نويسنده , , J. da Providência، نويسنده , , R. Teixeira، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2008
Pages
17
From page
2863
To page
2879
Abstract
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.
Keywords
Indefinite numerical range , Plane algebraic curve , Indefinite inner product space , Flat portion
Journal title
Linear Algebra and its Applications
Serial Year
2008
Journal title
Linear Algebra and its Applications
Record number
825965
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