Timeline for Open affine subscheme of affine scheme which is not principal
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
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| Oct 21, 2016 at 13:58 | comment | added | Martin Brandenburg | @Babai: Consider the functor $\mathsf{CRing} \to \mathsf{Set}$ mapping $B$ to the set of homomorphisms $A \to B$ such that $IB=B$. Then, $I$ is called codisjunctable iff this functor is representable. | |
| Aug 29, 2016 at 14:45 | comment | added | Babai | What is $B$ in this context? | |
| Jun 4, 2011 at 14:37 | history | answered | Martin Brandenburg | CC BY-SA 3.0 |