On the weakly Arf $(S_2)$-ifications of Noetherian rings

Naoki Endo, Shiro Goto, Shin-ichiro Iai +1

The weakly Arf $(S_2)$-ification of a commutative Noetherian ring $R$ is considered to be a birational extension which is good next to the normalization. The weakly Arf property (W…