Stack Exchange

Peter Mueller

Würzburg

http://www.mathematik.uni-wuerzburg.de/~mueller/

I'm a professor of mathematics at the University of Würzburg (Germany). For further infos see my web page.
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Top Questions
Top Answers
52
Is $\ x\! \cdot\!\tan(x)\ $ integrable in elementary functions?
mathoverflow.net

39
A conjecture in Number Theory
mathoverflow.net

35
Can a real quartic polynomial in two variables have more than 4 isolated local minima?
mathoverflow.net

33
Covering of a surface of a cube $n\times n \times n$ by pieces of paper $1\times 6$
mathoverflow.net

28
Tiling the plane with pairwise non-congruent rational triangles
mathoverflow.net

28
Is every number the sum of two cubes modulo p where p is a prime not equal to 7?
mathoverflow.net

27
When is the image of an integral polynomial contained in the image of another?
mathoverflow.net

27
Abel and Galois (and Arnold)
mathoverflow.net

26
Circles and rational functions
mathoverflow.net

24
A question on maps from $\mathbb{Z}/p\mathbb{Z}$ to itself
mathoverflow.net

23
On a theorem of Galois
mathoverflow.net

22
Cutting of a regular polygon into congruent pieces
mathoverflow.net

21
The missing link: an inequality
mathoverflow.net

21
On the equation $a^4+b^4+c^4=2d^4$ in coprime positive integers $a\lt b\lt c$ such that $a+b\ne c$
mathoverflow.net

20
What is the shortest polynomial divisible by $(x-1)(y-1)(x^2y-1)$
mathoverflow.net

20
Prove that $\left(\frac{x^n+1}{x^{n-1}+1}\right)^n+\left(\frac{x+1}{2}\right)^n\geq x^n+1$
mathoverflow.net

20
A problem on a specific integer partition
mathoverflow.net

19
The sequence $a_{n+1}=\left\lceil \frac{-1+\sqrt{5}}{2}a_{n}-a_{n-1} \right\rceil$ is periodic
mathoverflow.net

18
Can the equation $1+z+z^2=z^n$ for natural $n$ have multiple complex roots $z$?
mathoverflow.net

17
Is there a $\mathbb{Q}$-linear map $T$ over $\mathbb{Q}[x]$ such that for all polynomials $Gal(T(f))$ $\simeq$ The commutator subgroup of $Gal(f)$?
mathoverflow.net

17
How i show this beautiful inequality :$\frac{x^n}{x^m+y^m}+\frac{y^n}{y^m+z^m}+\frac{z^n}{z^m+x^m}\geq \frac{3} {2}(\frac{1}{\sqrt{3}})^{n-m}$?
mathoverflow.net

16
Proportion of square-free integers $n$ with $\gcd(n,\varphi(n))$ a prime
mathoverflow.net

16
Solving a limit about sum of series
mathoverflow.net

16
A generalisation of the theorem of Maschke
mathoverflow.net

15
Existence of a polynomial $Q$ of degree $\geq (p-1)/4$ in $\mathbb F_p[x]$ such that $QQ'$ factorizes into distinct linear factors
mathoverflow.net

15
Is a generic genus $g \geq 7$ curve a solvable cover of $\mathbb{P}^1$?
mathoverflow.net

15
A mixing property for finite fields of characteristic $2$
mathoverflow.net

15
Cyclotomic polynomials evaluated at roots of unity
mathoverflow.net

15
Can a division algebra have degree divisible by its characteristic?
mathoverflow.net

14
abelian quotients of permutation groups
mathoverflow.net

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