Timeline for representability of étale and motivic cohomology by schemes
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
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| Jun 25, 2017 at 3:29 | history | edited | user19475 | CC BY-SA 3.0 |
added 32 characters in body
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| Jun 25, 2017 at 2:59 | history | edited | user19475 | CC BY-SA 3.0 |
added 570 characters in body
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| Jun 24, 2017 at 16:10 | comment | added | user19475 | And in other dimensions? | |
| Jun 24, 2017 at 15:42 | comment | added | Daniel Loughran | mathoverflow.net/questions/185630/why-is-there-no-brauer-scheme | |
| Jun 24, 2017 at 14:01 | comment | added | abx | If $X$ is a smooth complex projective variety, $H^2_{\rm ét}(X,\mathbb{G}_m)$, the Brauer group of $X$, is isomorphic to $(\mathbb{Q}/\mathbb{Z})^{n}$ for some $n$ ($=b_2-\rho $ for the experts). It is certainly not "representable by a scheme". | |
| Jun 24, 2017 at 13:30 | history | asked | user19475 | CC BY-SA 3.0 |