Geodesic
A note on classes of structured matrices with elliptical type numerical range
Czechoslovak Mathematical Journal, Tome 71 (2021) no. 4, pp. 1015-1023.

Voir la notice de l'article provenant de la source Czech Digital Mathematics Library

We identify new classes of structured matrices whose numerical range is of the elliptical type, that is, an elliptical disk or the convex hull of elliptical disks.
DOI : 10.21136/CMJ.2021.0174-20
Classification : 15A21, 15A60
Keywords: tridiagonal matrix; antitridiagonal matrix; elliptical disk; numerical range 
@article{10_21136_CMJ_2021_0174_20,
     author = {Bebiano, Nat\'alia and Furtado, Susana},
     title = {A note on classes of structured matrices with elliptical type numerical range},
     journal = {Czechoslovak Mathematical Journal},
     pages = {1015--1023},
     publisher = {mathdoc},
     volume = {71},
     number = {4},
     year = {2021},
     doi = {10.21136/CMJ.2021.0174-20},
     mrnumber = {4339107},
     zbl = {07442470},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2021.0174-20/}
}
TY  - JOUR
AU  - Bebiano, Natália
AU  - Furtado, Susana
TI  - A note on classes of structured matrices with elliptical type numerical range
JO  - Czechoslovak Mathematical Journal
PY  - 2021
SP  - 1015
EP  - 1023
VL  - 71
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2021.0174-20/
DO  - 10.21136/CMJ.2021.0174-20
LA  - en
ID  - 10_21136_CMJ_2021_0174_20
ER  - 
%0 Journal Article
%A Bebiano, Natália
%A Furtado, Susana
%T A note on classes of structured matrices with elliptical type numerical range
%J Czechoslovak Mathematical Journal
%D 2021
%P 1015-1023
%V 71
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2021.0174-20/
%R 10.21136/CMJ.2021.0174-20
%G en
%F 10_21136_CMJ_2021_0174_20
Bebiano, Natália; Furtado, Susana. A note on classes of structured matrices with elliptical type numerical range. Czechoslovak Mathematical Journal, Tome 71 (2021) no. 4, pp. 1015-1023. doi : 10.21136/CMJ.2021.0174-20. http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2021.0174-20/

Cité par Sources :