Timeline for Different ways of thinking about the derivative
Current License: CC BY-SA 2.5
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 19, 2010 at 9:06 | comment | added | user2330 | This is true !! More precisely, if X=Spec A and if T is the tangent sheaf of X (over the base Z), as defined in EGA 4, then a global section of T is the same as a derivation of A. | |
| May 18, 2010 at 19:45 | comment | added | Vectornaut | Can someone explain what's wrong with this answer? The words all sound vaguely reasonable to me, and I don't know enough algebraic geometry to understand why the sentence doesn't work. | |
| May 18, 2010 at 0:27 | history | answered | user2330 | CC BY-SA 2.5 |