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Bounds for the Right Spectral Radius of Quaternionic Matrices
Ukrainian Mathematical Journal ( IF 0.5 ) Pub Date : 2020-11-01 , DOI: 10.1007/s11253-020-01827-5
I. Ali

UDC 517.5 In this paper we present bounds for the sum of the moduli of right eigenvalues of a quaternionic matrix. As a consequence, we obtain bounds for the right spectral radius of a quaternionic matrix. We also present a minimal ball in 4D spaces which contains all the Gersgorin balls of a quaternionic matrix. As an application, we introduce the estimation for the right ˇ eigenvalues of quaternionic matrices in the minimal ball. Finally, we suggest some numerical examples to illustrate of our results.

中文翻译:

四元数矩阵的正确谱半径的界限

UDC 517.5 在本文中,我们给出了四元数矩阵的右特征值模的总和的界限。因此,我们获得了四元数矩阵的右谱半径的界限。我们还在 4D 空间中展示了一个最小的球,它包含四元数矩阵的所有 Gersgorin 球。作为一个应用,我们引入了对最小球中四元数矩阵的正确 ˇ 特征值的估计。最后,我们提出了一些数值例子来说明我们的结果。
更新日期:2020-11-01
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