Generalized Spectrum and Numerical Rang of Matrix the Lorentzian Oscillator Group of Dimension Four

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Rafik Derkaoui, Abderrahmane Smail, Generalized Spectrum and Numerical Rang of Matrix the Lorentzian Oscillator Group of Dimension Four, Int. J. Anal. Appl., 18 (6) (2020), 1048-1055.

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Rafik Derkaoui, Abderrahmane Smail

Abstract

In this paper, we find the spectrum, pseudo-spectrum and numerical rang of matrix of the metric ga.

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References

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