Joe Z.
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 Feb 9 awarded Yearling Nov 21 comment Is there a function such that $f(f(n)) = 2^n$? Apparently real-analytic is what I was looking for, because it's a stronger condition and actually doable. Jul 22 accepted Is there a function such that $f(f(n)) = 2^n$? Apr 26 asked How do you solve this circular system of equations in $\mathbb{Z}_2$? Apr 13 awarded Popular Question Apr 12 awarded Nice Question Apr 12 reviewed Approve What is the next perfect square of the form 14444… in decimal notation? Apr 12 accepted What is the next perfect square of the form 14444… in decimal notation? Apr 12 comment What is the next perfect square of the form 14444… in decimal notation? @ADG: Your code wouldn't detect a perfect square even if it existed, since it relies on a floating-point data type. Apr 12 comment What is the next perfect square of the form 14444… in decimal notation? @GerryMyerson: Hmm, that is true. I forgot to think about it that way. Apr 12 revised What is the next perfect square of the form 14444… in decimal notation? added 4 characters in body Apr 12 comment What is the next perfect square of the form 14444… in decimal notation? Oh, yes, I suppose I did. Apr 12 asked What is the next perfect square of the form 14444… in decimal notation? Apr 3 comment Find five positive integers whose reciprocals sum to $1$ Yeah, I restructured my site a bit and the code disappeared. I'll put it up on pastebin or something. Feb 24 comment Can a disconnected set be simply connected? So I had to take this course again the following term, and the professor teaching it that time gave us the same question, but this time the set that was not connected was indeed not simply connected either. Feb 9 awarded Notable Question Feb 9 awarded Yearling Jan 30 comment What's a proof that the angles of a triangle add up to 180°? Also, I think it'll be equal to $2\pi$ if the clsoed curve doesn't intersect itself? Dec 19 awarded Popular Question Dec 16 awarded Caucus