Timeline for Flat Riemanniann manifolds
Current License: CC BY-SA 2.5
3 events
| when toggle format | what | by | license | comment | |
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| Apr 15, 2010 at 20:48 | comment | added | Sergei Ivanov | No, the intrinsic metric is locally Euclidean, only the embedding into $\mathbb R^3$ is non-smooth. Consider folding a plane along a line - it is still a plane intrinsically. | |
| Apr 15, 2010 at 20:15 | comment | added | Qfwfq | Concerning the polyhedral example: if you remove only the vertices from a surface, aren't you left with the "singularities" given by the edges? | |
| Apr 15, 2010 at 19:52 | history | answered | Sergei Ivanov | CC BY-SA 2.5 |