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Feb 6, 2023 at 2:17 vote accept James Propp
Apr 13, 2017 at 12:58 history edited CommunityBot
replaced http://mathoverflow.net/ with https://mathoverflow.net/
Jul 17, 2012 at 13:28 comment added Will Sawin Isn't that how one proves that the ring of formal power series is local?
Jul 17, 2012 at 12:24 history answered Martin Brandenburg CC BY-SA 3.0