Timeline for Are groups in (Var/k, rational maps) necessarily algebraic groups?
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| Apr 22, 2010 at 4:04 | comment | added | BCnrd | Artin also has an entire expose on this topic, incorporating generalization to a Dedekind base, near the end of SGA3 (which is used there to cleverly construct Chevalley schemes over Z with minimal computation). A more detailed exposition in that spirit is the very elegantly-written Chapter 5 of "Neron Models". The latter is my favorite reference on these matters. | |
| Apr 22, 2010 at 0:07 | comment | added | Emerton | There is also a treatment in Cornell and Silverman (in Artin's article, I think), which is an updated (i.e. scheme-theoretic) treatment of Weil's original argument. | |
| Apr 21, 2010 at 21:45 | history | answered | Thomas Scanlon | CC BY-SA 2.5 |