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Eric earned this badge 15 times |
dec 25 at 8:26
Irreducibility of $x^{n}+x+1$
may 3 '12 at 20:35
A sum of fractional parts.
jan 15 '12 at 22:43
Drunkard's walk on the $n^{th}$ roots of unity.
nov 25 '11 at 21:35
Fermat's Last Theorem and Kummer's Objection
nov 8 '11 at 17:10
The Mathematics of Tetris
oct 29 '11 at 20:55
An infinite series involving the Zeta Function
sep 23 '11 at 12:25
Finding a paper
aug 29 '11 at 18:53
Limits: How to evaluate $\lim\limits_{x\rightarrow \infty}\sqrt[n]{x^{n}+a_{n-1}x^{n-1}+\cdots+a_{0}}-x$
aug 29 '11 at 15:53
A series problem by Knuth
jul 14 '11 at 10:57
An Integral involving $e^{ax} +1$ and $e^{bx} + 1$
jun 7 '11 at 18:04
Proving the identity $\sum_{n=-\infty}^\infty e^{-\pi n^2x}=x^{-1/2}\sum_{n=-\infty}^\infty e^{-\pi n^2/x}.$
may 15 '11 at 15:07
The Notorious Triangle Problem
may 9 '11 at 18:58
Explicitly reconstructing a function from its moments
may 9 '11 at 2:53
Detecting a negative coefficient in a power series
feb 24 '11 at 21:31
Not lifting your pen on the $n\times n$ grid
