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Oct
3
reviewed Looks OK Is there a completion of Laurent series w.r.t. integration?
Oct
3
reviewed Reviewed Show that $\int_{0}^{\infty}\frac{\cos(at)-\cos(bt)}{t} =\ln\frac{b}{a}$
Oct
3
reviewed Reviewed How can I convert an axis-angle representation to a Euler angle representation
Oct
3
comment How can I convert an axis-angle representation to a Euler angle representation
The key terms I think you're missing are axis-angle and Euler angle representations. There doesn't seem to be an existing question about the conversion from axis-angle to Euler angles, but knowing the terminology is a good starting point when searching.
Oct
3
reviewed Reviewed Riddle: 1 question to know if the number is 1, 2 or 3
Oct
3
comment An Olympiad Problem (tiling a rectangle with the L-tetromino)
What have you tried? Where do your ideas fail?
Oct
3
reviewed Leave Open Area of an irregular polygon
Oct
2
reviewed Close Proving $\sqrt{\tan(\alpha)\tan(\beta)+5}+\sqrt{\tan(\alpha)\tan(\gamma)+5}+\sqrt{\tan(\beta)\tan(\gamma)+5}\le4\sqrt{3}$
Oct
1
reviewed Close If $\{f_i\}$ generate the unit ideal in a ring, so do $\{f_i^N\}$ for any positive $N$
Oct
1
reviewed Close Consider the complex exponential function $f \colon {\mathbb C} \to {\mathbb C}$ given by $f(z) = e^z$.
Oct
1
reviewed Close Computing all simple paths in a distributive lattice in parallel.
Sep
29
reviewed Leave Open Prove $F_{1}^{2}+F_{2}^{2}+\dots+F_{n}^{2}=F_{n}F_{n+1}$
Sep
29
reviewed Reviewed Implicit Differentiation, $\frac{dy}{dx}$, parallel tangent
Sep
28
reviewed Close A Probability problem listed in the excercise of limit theorems (!)
Sep
26
comment Find the result of a weird looking sum
For a given $x$, how many $i \in \mathbb N$ are there such that $\lfloor\sqrt i\rfloor = x$?
Sep
25
reviewed Reviewed How should I prove that Zeta'(x)/Zeta(x)+1/(x-1) is strictly monotonously decreasing on the real line (for x>=0)?
Sep
25
comment How to put $N$ elements in $M$ cells separated by a distance $D$
You may find it helpful to ditch the "of course" constraint and make the answer 0 in that case. This allows you to write a recurrence...
Sep
24
reviewed Close Fourier series of $f(x)=x^2$ in $x∈[0,2\pi]$ and in $x∈[−\pi,\pi]$?
Sep
24
reviewed Close existence of a weakly cauchy sequence if the dual space is separable
Sep
24
reviewed Close For what $n$ does $x^n \equiv 2\pmod{13}$ have a solution?