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Timeline for What is a field [Körper] really?

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May 20, 2016 at 22:28 history edited Qiaochu Yuan CC BY-SA 3.0
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May 20, 2016 at 22:22 comment added Qiaochu Yuan @Zhen: hmm, yeah, I was being silly (e.g. $F[[x, y]]$ can localize to $F[[x, y]][y^{-1}]$ which is another local ring). I think there ought to be a true statement along these lines, which might require using all epimorphisms rather than just localizations.
May 20, 2016 at 22:17 history edited Qiaochu Yuan CC BY-SA 3.0
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May 20, 2016 at 22:07 comment added Zhen Lin I'm not sure your characterisation of local rings is correct. What if I invert a single element?
May 20, 2016 at 21:51 history answered Qiaochu Yuan CC BY-SA 3.0