Timeline for Doubt about normality and rational singularities
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 22, 2012 at 15:09 | vote | accept | Rurik | ||
| Oct 22, 2012 at 12:57 | history | edited | Francesco Polizzi | CC BY-SA 3.0 |
edited tags; edited title
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| Oct 22, 2012 at 12:12 | answer | added | Karl Schwede | timeline score: 4 | |
| Oct 22, 2012 at 11:11 | comment | added | Francesco Polizzi | An example of variety which is smooth in codimension $1$ but not normal is given by the union of two planes in $\mathbb{P}^4$ intersecting in a single point. One can also find irreducible examples with the same kind of singularity (a "non normal double point"). | |
| Oct 22, 2012 at 11:05 | history | asked | Rurik | CC BY-SA 3.0 |