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Nikolaj-K
  • Member for 12 years, 8 months
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About

I prefer to keep an air of mystery about me.

Then again, here's my youtube channel.

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110
lim sup and lim inf of sequence of sets.
Jun 5, 2013
56
Is there a function with the property $f(n)=f^{(n)}(0)$?
Dec 15, 2011
54
When does the set enter set theory?
Mar 16, 2012
49
What is the algebraic structure of functions with fixed points?
Aug 9, 2012
44
Approximating the error function erf by analytical functions
Mar 5, 2013
40
How to compute $\prod_{n=1}^\infty\left(1+\frac{1}{n!}\right)$?
Aug 5, 2013
38
What is the topology of a world with portals?
Apr 28, 2012
37
What is an efficient nesting of mathematical theorems?
Dec 11, 2011
37
What is the function space generated by addition and $(a,b)\mapsto (a+b)^{-1}\cdot a\cdot b$ of elements and their inverses?
Jun 14, 2013
24
Exponential Function as an Infinite Product
Sep 23, 2013
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Why do *you* answer questions on math.stackexchange?
Top network posts
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122
Differentiating Propagator, Green's function, Correlation function, etc
105
Why are differential equations for fields in physics of order two?
46
How to import all files of a folder at once?
40
Laplace operator's interpretation
30
Interpretation of derivative interaction term in QFT