121,116 reputation
7113231
bio website von-eitzen.de/math/tntrep.xml
location Bonn, Germany
age 48
visits member for 2 years, 2 months
seen 2 hours ago

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


Nov
23
reviewed Edit suggested edit on Show: Every continuous function on the set E is bounded this implies E is compact
Nov
21
reviewed Delete How can we calculate $(x^x)'$
Nov
21
reviewed Close Positiveness is a relative notion.
Nov
21
reviewed Leave Open Evaluate $\lim_{h\to 0} \frac{ \sin(1/h)}{(1/h)}$
Nov
21
reviewed Close Probability of picking a red marble
Nov
21
reviewed Close Let $f(z)=z+\frac 1 z$ for $z\in \mathbb C$ with $z\neq 0$
Nov
21
reviewed Close Eigenvectors on complex space
Nov
21
reviewed Close Prove that $(1+2+3+\cdots + n)^2 = 1^3+2^3+3^3+\cdots + n^3$ for every $n \in \mathbb{N}$
Nov
21
reviewed Close Probability standard deck of 52 cards
Nov
21
reviewed Close stastics mathematics
Nov
21
reviewed Close degree of extension of rationals adjoin infinitely many roots
Nov
21
reviewed Close Cyclotomic polynomial identity
Nov
21
reviewed Close Sequences in Metric Spaces
Nov
21
reviewed Close Is it true that a tree on n vertices has n-1 edges and graph has 2n edges?
Nov
21
reviewed Leave Open Probability Distribution - snowfall prediction
Nov
20
reviewed Close Let $\lambda>1$ and show the equation $\lambda - z -e^{-z} = 0$ has exacly one solution in the half plane $\{z:Re(z)>0\}$
Nov
20
reviewed Close Calculate the limit of the product of sequence
Nov
20
reviewed Leave Open Prove the ratio between the following areas is 2
Nov
20
reviewed Close Make $a^b$ to have a complex answer
Nov
20
reviewed Close Sequences limit superior and inferior