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Timeline for Roots of unity near 1 in Z / p Z

Current License: CC BY-SA 3.0

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Apr 11, 2014 at 16:26 vote accept David Loeffler
Apr 11, 2014 at 16:19 answer added so-called friend Don timeline score: 16
Apr 11, 2014 at 15:38 comment added Will Sawin Yes, it definitely does, and $r=4,r=6$ as well.
Apr 11, 2014 at 15:36 comment added so-called friend Don Suppose $r=3$, so that we are looking at roots of $x^2+x+1$. Then this seems like it should follow immediately from results on uniform distribution of solutions to quadratic congruences mod $p$; see imrn.oxfordjournals.org/content/2000/14/719.abstract
Apr 11, 2014 at 15:22 history asked David Loeffler CC BY-SA 3.0