The Ostrowski theorem for matrices of operators

Autor: Yihui Kong, Yuying Li, Yaru Qi
Rok vydání: 2021
Předmět:
Zdroj: Linear and Multilinear Algebra. 70:7339-7346
ISSN: 1563-5139
0308-1087
Popis: The classical Ostrowski Theorem gives an estimate for the eigenvalues of a matrix by a union of some disks. In this paper, we present the Ostrowski Theorem on the localization of the spectrum of an...
Databáze: OpenAIRE