Timeline for Covering manifolds with some other manifolds
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 8, 2019 at 9:25 | comment | added | this_is_a_banana | ballcat(M)=4 is interesting result for me. thank you. Ball category is seem to have application for the number of surgeries to get desired manifold. I will consult it. | |
| Jun 5, 2019 at 10:01 | comment | added | Mark Grant | @ThomasRot: I guess so, since we ought to be able to find embeddings $N_i\hookrightarrow M$ whose interiors cover $M$, then use compactness. | |
| Jun 5, 2019 at 9:46 | comment | added | Thomas Rot | If $M$ is connected and closed, and there exists an embedding $N\rightarrow M$, then the number is finite right? | |
| Jun 5, 2019 at 8:05 | history | answered | Mark Grant | CC BY-SA 4.0 |