Abstract. We derive a new bound for the spectral variations of matrices explicitly expressed via the entries of the considered matrices. In the appropriate situations our results are considerably sharper than the well-known bounds.
DOI: 10.14232/actasm-020-566-z
AMS Subject Classification
(1991): 15A18, 15A42
Keyword(s):
matrices,
perturbations
received 6.6.2020, revised 19.12.2020, accepted 14.1.2021. (Registered under 66/2020.)
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