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Jan 19, 2016 at 12:35 vote accept Ben W
Jan 18, 2016 at 19:38 answer added August Cleaner timeline score: 4
Sep 25, 2015 at 0:34 comment added Yoav Kallus Consider the set $\{(x_1,x_2,x_3,\ldots):x_1^2+x_2^2\le1\text{ and }x_i=0\text{ for }i\ge3\}$.
Sep 25, 2015 at 0:22 history asked Ben W CC BY-SA 3.0