Ben Alpert
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 Mar 23 awarded Nice Answer Mar 5 awarded Nice Question Feb 4 awarded Popular Question Dec 17 awarded Popular Question Dec 2 comment Kleene Closure and determining whether a string x is in a set @BrianM.Scott Oops, my bad. I somehow missed the first paragraph and only read the third. Dec 2 comment Kleene Closure and determining whether a string x is in a set For the first set, you could also use a parity argument on the length of the string. Jul 20 awarded Yearling Jul 13 comment Can two sets have same AM, GM, HM? Very nice solution. Jun 8 awarded Constituent Jun 8 awarded Caucus May 13 revised Showing $\sum _{k=1} 1/k^2 = \pi^2/6$ better title May 13 suggested approved edit on Showing $\sum _{k=1} 1/k^2 = \pi^2/6$ May 13 revised Probability of Heads in a coin reword a little bit May 13 suggested approved edit on Probability of Heads in a coin May 13 answered Probability of Heads in a coin Dec 23 awarded Taxonomist Nov 16 awarded Enlightened Nov 16 awarded Nice Answer Sep 19 comment Mandelbrot-like sets for functions other than $f(z)=z^2+c$? @Isaac: Many of your pictures seem to be missing now… Jul 21 awarded Yearling