第二章的内容是算子不等式及范数不等式。
The contents of the second chapter are operator inequalities and norm inequalities.
运用范数不等式，使用数学归纳法，证明了几个范数等式。
Several norm equalities are proved by norm inequality and mathematics induction.
在第二章中，作者以谱分解、函数演算等为工具，给出一些重要的算子不等式与范数不等式。
In this chapter, we give some operator inequalities and norm inequalities by means of spectral decomposition and functional calculus.
本文获得了四元数矩阵的范数和迹的一些不等式，改进了近期的某些结果。
In this paper, we obtain some inequalities for norm and traces of quaternion matrices.
定义了四元数矩阵的范数，并利用范数的性质，建立了几个四元数矩阵之迹的不等式。
The definition of norm of quaternion matrices is given, and several inequalities on the traces of quaternion matrices are proved by using properties on the norm of quaternion matrices.
定义了四元数矩阵的范数，并利用范数的性质，建立了几个四元数矩阵之迹的不等式。
The definition of norm of quaternion matrices is given, and several inequalities on the traces of quaternion matrices are proved by using properties on the norm of quaternion matrices.
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