Geodesic
Approximation of the minimal Geršgorin set of a square complex matrix
Electronic transactions on numerical analysis, Tome 30 (2008), pp. 398-405.

Voir la notice de l'article provenant de la source Electronic Library of Mathematics

Summary: In this paper, we address the problem of finding a numerical approximation to the minimal Ger$\check $sgorin set, $\Gamma R(A)$, of an irreducible matrix A in Cn,n. In particular, boundary points of $\Gamma R(A)$ are related to a wellknown result of Olga Taussky.
Classification : 15A18, 65F15
Keywords: eigenvalue localization, ger$\check $sgorin theorem, minimal ger$\check $sgorin set 
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     author = {Varga, Richard S. and Cvetkovi\'c, Ljiljana and Kosti\'c, Vladimir},
     title = {Approximation of the minimal {Ger\v{s}gorin} set of a square complex matrix},
     journal = {Electronic transactions on numerical analysis},
     pages = {398--405},
     publisher = {mathdoc},
     volume = {30},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2008__30__a1/}
}
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Varga, Richard S.; Cvetković, Ljiljana; Kostić, Vladimir. Approximation of the minimal Geršgorin set of a square complex matrix. Electronic transactions on numerical analysis, Tome 30 (2008), pp. 398-405. http://geodesic.mathdoc.fr/item/ETNA_2008__30__a1/