On some reciprocal matrices with elliptical components of their Kippenhahn curves
By definition, reciprocal matrices are tridiagonal n-by-n matrices A with constant main diagonal and such that ai,i+1ai+1,i= 1 for i = 1, . . ., n − 1. We establish some properties of the numerical range generating curves C(A) (also called Kippenhahn curves) of such matrices, in particular concernin...
Main Authors: | Jiang Muyan, Spitkovsky Ilya M. |
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Format: | Article |
Language: | English |
Published: |
De Gruyter
2021-12-01
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Series: | Special Matrices |
Subjects: | |
Online Access: | https://doi.org/10.1515/spma-2021-0151 |
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