Right linear map preserving the left spectrum of 2x2 quaternion matrices

[摘要] 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.

[学科分类] 化学（综合）

[关键词] linear preserving map;quaternion matrix;left spectrum.