Geodesic
A new Geršgorin-type eigenvalue inclusion set
Electronic transactions on numerical analysis, Tome 18 (2004), pp. 73-80
We give a generalization of a less well-known result of Dashnic and Zusmanovich [2] from 1970, and show how this generalization compares with related results in this area.
Classification : 15A18, 65F15
Keywords: ger$\check $sgorin theorem, Brauer Cassini ovals, nonsingularity results 
@article{ETNA_2004__18__a8,
     author = {Cvetkovic,  Ljiljana and Kostic,  Vladimir and Varga,  Richard S.},
     title = {A new {Ger\v{s}gorin-type} eigenvalue inclusion set},
     journal = {Electronic transactions on numerical analysis},
     pages = {73--80},
     year = {2004},
     volume = {18},
     zbl = {1069.15016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2004__18__a8/}
}
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%F ETNA_2004__18__a8
Cvetkovic,  Ljiljana; Kostic,  Vladimir; Varga,  Richard S. A new Geršgorin-type eigenvalue inclusion set. Electronic transactions on numerical analysis, Tome 18 (2004), pp. 73-80. http://geodesic.mathdoc.fr/item/ETNA_2004__18__a8/