On localization of the eigenvalues of matrices "close" to triangular ones

Year 2022, Volume: 51 Issue: 4, 1104 - 1107, 01.08.2022

Michael Gil'

https://doi.org/10.15672/hujms.995747

Abstract

We suggest a new bound for the eigenvalues of a matrix. For matrices which are "close" to triangular ones that bound is sharper than the well-known results, such as the Ostrowski theorem.

Keywords

matrices, localization of eigenvalues, Ostrowski theorem

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