4 ms·
> you can put a cd shaped object on You're thinking of open sets.
by BigTTYGothGF 1y ago
> you can put a cd shaped object on
You're thinking of open sets.
- BigTTYGothGF 1y agoIn particular, consider two intersecting planes. You can put all the discs you like on that surface, but it's not a manifold because on the line of intersection it's not locally R2.
- deleted 1y ago[deleted]
- ChrisGreenHeur 11mo agoThe position of the points on the surface can be changed without worrying about the topology and its the topology we are worried about