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Feb 5, 2013 at 9:48 vote accept Martin Brandenburg
Apr 28, 2010 at 19:29 answer added Angelo timeline score: 6
Apr 28, 2010 at 18:52 history edited Martin Brandenburg CC BY-SA 2.5
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Apr 28, 2010 at 18:35 comment added Martin Brandenburg I'm asking for a char. which does not involve a group multiplication. For example, how can I decide whether $\mathbb{P}^1_S$ is an abelian scheme? This is just an example.
Apr 28, 2010 at 18:12 comment added Kevin Buzzard The purely scheme-theoretic properties that Abelian schemes have which characterise the image are: (insert definition of an abelian scheme here, i.e. smooth proper, group structure, geom conn fibres). What more are you asking for?
Apr 28, 2010 at 17:47 history edited Martin Brandenburg CC BY-SA 2.5
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Apr 28, 2010 at 17:40 history asked Martin Brandenburg CC BY-SA 2.5