J. J.

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Name	J. J.
Member for	3 years
Seen	May 28 at 17:18
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Location	Finland
Age	24

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Smooth functions for which $f(x)$ is rational if and only if $x$ is rational

nt.number-theory real-analysis

dec 10 10 at 18:18 Pietro Majer 19.7k●1●24●69

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real-analysis
nt.number-theory

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