摘要
用一个元素m把一复C 代数扩充成一个实C 代数A ,运用C - 代数的方法 ,再把A嵌入到A2× 2 中 ,并讨论 A 的一些性质 .
An element m was applied to an extension of complex C *-algebra into a real C *-algebra A. By means of C *-algebra, A is embedded into the complex C *-algebra A 2×2 , with further discussion of the characteristics of A.