Timeline for Non-orientable $6$-manifold with $H_4(M)=\mathbb{Z}/2$?
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 24, 2015 at 18:02 | vote | accept | Mark Grant | ||
| May 24, 2015 at 15:00 | answer | added | Gabriel C. Drummond-Cole | timeline score: 6 | |
| May 24, 2015 at 9:27 | comment | added | Mark Grant | @user51223: This question came up when studying mod 2 cohomology classes realizable by immersions/embeddings. | |
| May 24, 2015 at 9:25 | comment | added | Mark Grant | @GabrielC.Drummond-Cole: Thanks, I think it works! | |
| May 23, 2015 at 19:09 | comment | added | user51223 | I am curious to know if the existence of some manifold like this is meant to be an obstruction for existence of some specific class in bordism groups of immersions, and if so then what is it?!? | |
| May 23, 2015 at 17:08 | comment | added | Gabriel C. Drummond-Cole | How about $S^2\times RP^2\times RP^2?$ | |
| May 23, 2015 at 7:45 | history | asked | Mark Grant | CC BY-SA 3.0 |