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Nick S

I am interested in quasicrystals and mathematical diffraction theory. I am particularly interested in Meyer sets, Fourier Transform of measures and almost periodic measures.

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205
Is there a function that grows faster than exponentially but slower than a factorial?
math.stackexchange.com

145
A natural number multiplied by some integer results in a number with only ones and zeros
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113
Striking applications of integration by parts
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113
The staircase paradox, or why $\pi\ne4$
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88
Why rationalize the denominator?
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76
Characterizing units in polynomial rings
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67
Using the Determinant to verify Linear Independence, Span and Basis
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55
cardinality of all real sequences
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51
Sum of the alternating harmonic series $\sum_{k=1}^{\infty}\frac{(-1)^{k+1}}{k} = \frac{1}{1} - \frac{1}{2} + \cdots $
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46
Can $x^3+3x^2+1=0$ be solved using high school methods?
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43
Alternating sum of squares of binomial coefficients
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41
Prove that $\lim \limits_{n \to \infty} \frac{x^n}{n!} = 0$, $x \in \Bbb R$.
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41
Is 1 divided by 3 equal to 0.333...?
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37
prove that $10200300040000100004000300201$ is not perfect square
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32
Solve equations $\sqrt{t +9} - \sqrt{t} = 1$
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32
Prove by induction that for all $n \geq 3$: $n^{n+1} > (n+1)^n$
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30
What are some surprising appearances of $e$?
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30
Why does editor reject when reviewers recommend acceptance?
academia.stackexchange.com

30
Set Addition vs. Set Union
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29
Compute: $\int_{0}^{1}\frac{x^4+1}{x^6+1}\, dx$
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29
Floor function properties: $[2x] = [x] + [ x + \frac12 ]$ and $[nx] = \sum_{k = 0}^{n - 1} [ x + \frac{k}{n} ] $
math.stackexchange.com

29
Matrix with zeros on diagonal and ones in other places is invertible
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29
Inconsistencies in the definition of derivative of a polynomial over a field
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28
If there is a unique left identity, then it is also a right identity
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28
Prove that $\sin(x) + \cos(x) \geq 1$
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27
Find the sum of the series $\sum \frac{1}{n(n+1)(n+2)}$
math.stackexchange.com

26
How to compute $\int_0^{\pi/2}\frac{\sin^3 t}{\sin^3 t+\cos^3 t}dt$?
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26
Contraction Map on Compact Normed Space has a Fixed Point
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25
ArcTan(2) a rational multiple of $\pi$?
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23
Is there a meaningful example of probability of $\frac1\pi$?
math.stackexchange.com

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