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Apr 13, 2017 at 12:19 history edited CommunityBot
replaced http://math.stackexchange.com/ with https://math.stackexchange.com/
Aug 28, 2016 at 1:14 vote accept Arin Chaudhuri
Aug 27, 2016 at 23:20 answer added Mark Yasuda timeline score: 3
Aug 26, 2016 at 18:24 comment added მამუკა ჯიბლაძე Just a suggestion - I think it suffices to settle the converse case, when $A$ is full row rank and $B$ is full column rank. Do you see if this can help with anything?
Aug 26, 2016 at 17:56 history asked Arin Chaudhuri CC BY-SA 3.0