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when toggle format what by license comment
Aug 8, 2017 at 1:00 history edited Venkataramana CC BY-SA 3.0
added 2 characters in body
Aug 8, 2017 at 0:32 history edited Venkataramana CC BY-SA 3.0
added 90 characters in body
Aug 7, 2017 at 16:18 vote accept Will Chen
Aug 7, 2017 at 7:18 history edited Venkataramana CC BY-SA 3.0
edited body
Aug 7, 2017 at 7:03 comment added Joël The last star should be a $2$.
Aug 7, 2017 at 6:34 comment added Will Chen What do you mean by $\widehat{\mathbb{Z}}^*/(\widehat{\mathbb{Z}}^*)^*$?
Aug 7, 2017 at 6:02 history answered Venkataramana CC BY-SA 3.0