In other words, The Hermiticity of a matrix is invariant under unitary transformations.

之，矩阵厄密性在幺正变下保持不变。

This paper is a study on the invertibility of the commutator of scalar-idempotent elements and scalar-involutory elements of a unitary ring.

本文研究在个有单位元环中两个倍幂等元位子与两个倍对合元位子可逆性问题。