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Apr 13, 2017 at 12:58 history edited CommunityBot
replaced http://mathoverflow.net/ with https://mathoverflow.net/
Oct 31, 2011 at 6:16 answer added B R timeline score: 3
Oct 31, 2011 at 5:29 answer added Alex B. timeline score: 8
Oct 31, 2011 at 5:20 comment added Daniel Litt What you've written out is really only a tiny part of the cohomological approach to class field theory. The rest is described very well by Cassels-Frohlich.
Oct 31, 2011 at 3:53 comment added Makhalan Duff I suppose I have two indications of a connection. The first is the fact that people call both approaches "class field theory". The second is that both generalize quadratic reciprocity (for the second approach, specialize to quaternion algebras of the form $(p,q)$ where $p$ and $q$ are prime).
Oct 31, 2011 at 3:40 comment added Joël Is is not clear that people think of them as equivalent, IMHO.
Oct 31, 2011 at 2:30 history asked Makhalan Duff CC BY-SA 3.0