Timeline for When does a ring surjection imply a surjection of the group of units?
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| Apr 13, 2017 at 12:58 | history | edited | CommunityBot |
replaced http://mathoverflow.net/ with https://mathoverflow.net/
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| Jul 22, 2010 at 8:37 | history | answered | Martin Brandenburg | CC BY-SA 2.5 |