Pseudo-spectrum and Numerical Range of Matrices Walker of Dimension Three

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Cankaya University Journal of Science and Engineering
Volume:20 Issue:1
Pseudo-spectrum and Numerical Range of Matrices Walker of Dimension Three

Pseudo-spectrum and Numerical Range of Matrices Walker of Dimension Three

Authors : Khalef BOUİCH, Derkaoui RAFİK, Abderrahmane SMAIL

Pages : 1-8

View : 35 | Download : 9

Publication Date : 2023-05-01

Article Type : Research Paper

Abstract :The study of numerical range, spectrum and pseudo spectrum appears in diffrent sci- entific fields, for example the domain of spectral theory, the stability of dynamics elec- tricity, physics, the quantum mechanics. In this paper, we find the spectrum, pseudo- spectrum and numerical range on Walker manifolds of dimension three. Two examples are given for metric g f .
Keywords : Bounded operator, Spectrum, Pseudo spectrum, Numerical range, Matrix Walker

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