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Gersgorin variations II: On themes of Fan and Gudkov

✍ Scribed by Alan J. Hoffman


Publisher
Springer
Year
2006
Tongue
English
Weight
157 KB
Volume
25
Category
Article
ISSN
1019-7168

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Gersgorin variations I: on a theme of Pu
✍ Alan J. Hoffman πŸ“‚ Article πŸ“… 2000 πŸ› Elsevier Science 🌐 English βš– 43 KB

We unify and extend various "additive" sufficient conditions of Pupkov and of Solov'ev for the nonsingularity of a complex matrix. This paper is intended to be the first in a sequcnce of "variations" on theorems of the Gersgorin genre. The whole sequence is dedicated to the memory of Olga Taussky-To