Please use this identifier to cite or link to this item:
Title: Flat portions on the boundary of the indefinite numerical range of 3×3 matrices
Authors: Bebiano, N. 
Providência, J. da 
Teixeira, R. 
Keywords: Indefinite numerical range; Indefinite inner product space; Plane algebraic curve; Flat portion
Issue Date: 2008
Citation: Linear Algebra and its Applications. 428:11-12 (2008) 2863-2879
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.
Rights: openAccess
Appears in Collections:FCTUC Matemática - Artigos em Revistas Internacionais

Files in This Item:
File Description SizeFormat
file4645e7fc25654e0f8394f536dc71010e.pdf247.57 kBAdobe PDFView/Open
Show full item record

Page view(s)

checked on Sep 24, 2020


checked on Sep 24, 2020

Google ScholarTM


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.