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

换言之，矩阵厄密在幺正变换下保持不变。

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换位子与两个倍对元换位子可逆问题。