Timeline for Vanishing of $w_2$ for orientable 3-manifolds
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 28, 2017 at 0:01 | vote | accept | truebaran | ||
| Jun 27, 2017 at 22:38 | comment | added | Riccardo | @truebaran I've edited my answer accordingly | |
| Jun 27, 2017 at 22:37 | history | edited | Riccardo | CC BY-SA 3.0 |
added 514 characters in body
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| Jun 27, 2017 at 22:10 | comment | added | truebaran | Should it be the opposite way? Namely $w_2=v_1^2+v_2$. Moreover could you please explain how to get that $v_2 \cup x=0$ for each $x \in H^1(M,Z_2)$? | |
| Jun 27, 2017 at 21:10 | history | answered | Riccardo | CC BY-SA 3.0 |