EAP - Proceedings of the Estonian Academy of Sciences

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proceedings
of the estonian academy of sciences

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Right linear map preserving the left spectrum of 2x2 quaternion matrices; pp. 378–386

PDF | https://doi.org/10.3176/proc.2018.4.08

Authors

Deyu Duan, Xiang Gong, Geng Yuan, Fahui Zhai

Abstract

In this paper, the form of a right linear map preserving the left spectrum of quaternion matrices of order 2 is characterized. The obtained conclusion is different from the classical results of the linear map preserving eigenvalues of complex matrices.

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