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Mar 21, 2012 at 22:41 vote accept Rajkarov
Mar 16, 2012 at 11:39 comment added Rajkarov Exactly, that doesn't induced a morphism.
Mar 16, 2012 at 10:07 answer added Derek Holt timeline score: 12
Mar 16, 2012 at 8:57 comment added Martin Brandenburg @pm: It doesn't preserve the $k^*$ action, so does not lift to PGL.
Mar 16, 2012 at 8:40 comment added Marc Palm What's wrong about just $1$ instead of $\chi(g)$?
Mar 16, 2012 at 8:39 history edited Marc Palm CC BY-SA 3.0
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Mar 16, 2012 at 2:33 history edited fedja CC BY-SA 3.0
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Mar 16, 2012 at 2:11 history edited Rajkarov CC BY-SA 3.0
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Mar 16, 2012 at 2:03 history asked Rajkarov CC BY-SA 3.0