Volume 18, pp. 73-80, 2004.

A new Geršhgorin-type eigenvalue inclusion set

Ljiljana Cvetkovic, Vladimir Kostic, and Richard S. Varga

Abstract

We give a generalization of a less well-known result of Dashnic and Zusmanovich from 1970, and show how this generalization compares with related results in this area.

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Key words

Ger\v{s}gorin theorem, Brauer Cassini ovals, nonsingularity results.

AMS subject classifications

15A18, 65F15.

ETNA articles which cite this article

Vol. 40 (2013), pp. 1-16 Emmanuel Kamgnia and Bernard Philippe: Counting eigenvalues in domains of the complex field

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