Mathematics
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Spenser
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Postdoc in mathematics.

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All Questions Answers
Score Newest
answer
84
What is an odd prime?
Mar 5, 2015
question
44
Show $\sum_{n=0}^\infty\frac{1}{a^2+n^2}=\frac{1+a\pi\coth a\pi}{2a^2}$
Oct 6, 2012
question
39
Non-trivial open dense subset of $\mathbb{R}$.
Oct 28, 2013
question
36
Prove the divergence of the sequence $\left\{ \sin(n) \right\}_{n=1}^{\infty}$.
Nov 17, 2012
answer
29
Is the Lie Algebra of a connected abelian group abelian?
Feb 2, 2017
question
26
Sum of reciprocals of primes factorial: $\sum_{p\;\text{prime}}\frac{1}{p!}$
Nov 2, 2013
answer
26
Why doesn't this operation work?
Feb 25, 2016
answer
24
How does the Herglotz trick work?
Nov 25, 2013
answer
22
Function that maps the "pureness" of a rational number?
Apr 9, 2016
question
20
Show $ \int_0^\infty\left(1-x\sin\frac 1 x\right)dx = \frac\pi 4 $
Sep 4, 2012
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21
Visualizing functions on the integers
5
The magnetic field of a magnetic monopole

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