106,690 reputation
696194
bio website von-eitzen.de/math/tntrep.xml
location Bonn, Germany
age 48
visits member for 1 year, 11 months
seen 12 hours ago

I did study math and had a knack for it, but I am sooo out of that business now ...


21h
answered How find the maximum of the value $x^2_{1}+x^2_{2}+\cdots+x^2_{2014}$
1d
answered Finitely many Supreme Primes?
1d
answered Algorithm of order $O(n)$
1d
answered finding an quadratic equation by the roots & another equation?
2d
answered What fraction of sunlight could we deliberately block out with an occulter?
2d
answered Determine whether the function floor(x) is big omega of x
2d
answered Prove that $G$ has a element whose order is least common multiple of $m$ and $n$.
2d
answered Is this modified coffee cup equivalent to some n-fold torus?
Jul
29
answered $O(n \log k)$ for merging of $k$ lists with total of $n$ elements
Jul
29
answered Number of edge disjoint Hamiltonian cycles in a complete graph with even number of vertices.
Jul
28
answered Why are those objects initial or final obejcts?
Jul
28
answered A property regarding intervals
Jul
28
answered Unit circle is divided into $n$ equal pieces, what is the least value of the perimeters of the $n$ parts?
Jul
28
answered Tangent line at $x_1$ to polynomial curve $p(x)$ of degree at least $2$ implies $x_1$ is a double root of $p(x) - p^{'}(x_1)(x-x_1)$?
Jul
23
answered Equivalence Graphs
Jul
23
answered Question concerning how a map extends to a homomorphism.
Jul
22
answered Primitive-recursive functions and polynomial equations
Jul
22
answered Proving some properties of $\Bbb N$ without using recursion
Jul
22
answered An isomorphism question
Jul
22
answered About the subspace of polynomial vector space