On 2.1.6 the original edition of the EGA uses $\sh{O}y$ for the local ring $\sh{O}{X,y}$, which is not standard. I believe this is a typo, and in fact on the Springer version they seem to have corrected this.
Maybe this is worth changing? Personally I got a little confused, but idk.
On 2.1.6 the original edition of the EGA uses $\sh{O}y$ for the local ring $\sh{O}{X,y}$, which is not standard. I believe this is a typo, and in fact on the Springer version they seem to have corrected this.
Maybe this is worth changing? Personally I got a little confused, but idk.