Volume 8, pp. 15-20, 1999.
On Geršgorin-type problems and ovals of Cassini
Richard S. Varga and Alan Krautstengl
Recently, two Geršgorin-type matrix questions were raised. These are answered here, using ovals of Cassini.
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Geršgorin circle theorem, ovals of Cassini.
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ETNA articles which cite this article
|Vol. 12 (2001), pp. 113-133 Richard S. Varga: Geršgorin-type eigenvalue inclusion theorems and their sharpness|
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