Timeline for A special case of the integer Hodge conjecture
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 28, 2014 at 11:07 | vote | accept | Alex Gavrilov | ||
| Jun 27, 2014 at 1:47 | history | edited | Ben Wieland |
edited tags
|
|
| Jun 27, 2014 at 1:32 | answer | added | Ben Wieland | timeline score: 3 | |
| Jun 23, 2014 at 12:39 | comment | added | Alex Gavrilov | It makes sense. This trick does not work for divisors, because $H^1$ has no torsion. | |
| Jun 22, 2014 at 16:49 | comment | added | Jason Starr | Here is something worth considering. Let $Y$ and $Z$ be complex, projective manifolds each of which has $p$-torsion in $H_1$, e.g., $Y$ and $Z$ are both Enriques surfaces so $H_1=\mathbb{Z}/2\mathbb{Z}$. Now let $X$ be the product $Y\times Z$. By Kunneth's theorem, there is torsion in $H_2(X,\mathbb{Z})$. What algebraic cycle gives rise to this torsion? | |
| Jun 22, 2014 at 3:34 | history | asked | Alex Gavrilov | CC BY-SA 3.0 |