Timeline for The Picard scheme of an ordinary singular curve
Current License: CC BY-SA 4.0
2 events
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| Mar 20, 2020 at 22:19 | comment | added | Evgeny Shinder | Are you asking why Jacobian of a nodal curve is an extension of an abelian variety (in fact, the Jacobian of its normalization) by a torus? This is a result of Oort 1962, link.springer.com/article/10.1007%2FBF01440949, Prop. 2.3. | |
| Mar 20, 2020 at 19:12 | history | asked | k.j. | CC BY-SA 4.0 |