Mathematics
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Hobbyist
  • Member for 9 years, 9 months
  • Last seen more than a month ago
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12
answers
37
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16
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4
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4
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10
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8
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16
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1
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5
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10
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8
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Top posts
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All Questions Answers
Score Newest
question
18
Method of proof of $\sum\limits_{n=1}^{\infty}\tfrac{\coth n\pi}{n^7}=\tfrac{19}{56700}\pi^7$
Oct 26, 2014
question
11
"Proof" that $1-1+1-1+\cdots=\frac{1}{2}$ and related conclusion that $\zeta(2)=\frac{\pi^2}{6}.$
Sep 1, 2014
question
11
Why is Catalan's constant $G$ important?
Feb 9, 2019
answer
10
Binomial expansion, how to do them quickly?
Apr 24, 2014
question
6
A number $a$ is a square in $\mathbf{Q}$ if and only if it is a square in $\mathbf{R}$ and $\mathbf{Q}_p$ for all primes $p$
May 19, 2016
question
5
Methods of constructing rapidly convergent series
Nov 4, 2014
question
5
Should a metric always map into $\mathbf{R}$?
Apr 28, 2016
answer
5
How to find the indefinite integral $\int \frac{dx}{1+x^{n}}$?
May 16, 2014
answer
4
Proving the identity $\sum_{n=-\infty}^\infty e^{-\pi n^2x}=x^{-1/2}\sum_{n=-\infty}^\infty e^{-\pi n^2/x}.$
Aug 31, 2020
question
4
Can the equation $f''(x)+cf'(x)+g(x)f(x)=0$ be solved for $f(x)$?
Aug 1, 2019
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6
Normal modes of the 2D double pendulum
6
Why does the Lax pair formalism look so similar to the Hamiltonian equations, and what is the significance of this?

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