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Aug 25, 2020 at 20:42 vote accept soupy
Aug 30, 2017 at 1:05 history bumped CommunityBot This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
Jul 31, 2017 at 0:09 comment added Douglas Zare You can reduce this to the same question about the null spaces and bases for the null spaces.
Jul 30, 2017 at 22:18 answer added Qiaochu Yuan timeline score: 2
Jul 30, 2017 at 22:16 comment added Leo Alonso It is clear ir you consider that $A^t$ is the matrix of the dual linear map.
Jul 30, 2017 at 22:14 review First posts
Jul 30, 2017 at 23:06
Jul 30, 2017 at 22:10 history asked soupy CC BY-SA 3.0