Search Results
| Search type | Search syntax |
|---|---|
| Tags | [tag] |
| Exact | "words here" |
| Author |
user:1234 user:me (yours) |
| Score |
score:3 (3+) score:0 (none) |
| Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
| Views | views:250 |
| Code | code:"if (foo != bar)" |
| Sections |
title:apples body:"apples oranges" |
| URL | url:"*.example.com" |
| Saves | in:saves |
| Status |
closed:yes duplicate:no migrated:no wiki:no |
| Types |
is:question is:answer |
| Exclude |
-[tag] -apples |
| For more details on advanced search visit our help page | |
Results tagged with singularity-theory
Search options not deleted
user 6107
Singularities in algebraic/complex/differential geometry and analysis of ODEs/PDEs. Singular spaces, vector fields, etc.
5
votes
Contracting a rational curve in a Calabi-Yau threefold
Given a rational curve $C$ in a threefold $X$ with normal bundle $N_{C/X}\cong{\mathcal O}\oplus{\mathcal O}(-2)$, what Miles Reid proves is that, at least locally, "$C$ either contracts or moves". $C …
- 3,202