I remember there was a question posted to MO about maybe two months ago or so which was, essentially, about the existence of zero-one vectors in the kernel of some matrix. Can anybody help me to locate that question? Thanks in advance!

(I think I have never posted to the MO Meta before; hope the question / request above fits the scope.)

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    $\begingroup$ Your question is fine; others have made similar requests at meta. $\endgroup$ – Todd Trimble Dec 27 '16 at 11:38
  • $\begingroup$ @Todd: Maybe it's worth having one thread for these type of requests. $\endgroup$ – Asaf Karagila Dec 27 '16 at 14:05

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