On the basis of the proved results,I have showed the following results: R is a left artinian ring, (1) if R is regular ring,then det C(R) = 1;

• 在总结前辈证明该问题的方法的同时，本人也做了一些工作，并取得了初步成果，证明了三个相关结论：R是左阿廷环，(1)若R是规则环，则detC(R)=1；