Hagen von Eitzen

less info
meta site favicon meta user | stack exchange network profile network profile
41,787 reputation
23393
bio website von-eitzen.de/math/tntrep.xml
location Bonn, Germany
age 47
visits member for 8 months
seen 4 hours ago
stats profile views 3,193

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


41,787 Reputation

graph time post
308 yesterday
+92 12:58 10 events Why is $\varphi$ called “the most irrational number”?
+25 10:59 2 events Irreducible polynomials have distinct roots?
+20 12:40 2 events How can I show this field extension equality?
+20 10:31 2 events Is it possible to write any bounded continuous function as a uniform limit of smooth functions
+20 03:26 2 events Measure of the set of real numbers that can be approximated in this way
+15 19:43 2 events Is this $\mathbb{Z}_2^n$?
+15 18:00 3 events Is there extension of function from a curve on the whole space preserving smoothness?
+15 16:51 accept Questions on Nilpotent Operator
+15 14:59 4 events Aproximating rational with fraction with “smallest numerator and denumerator possible”
+15 07:10 accept Why the terms “unit” and “irreducible”?
+15 07:08 accept Additive maps modulo $1$ - what do they look like?
+10 11:17 upvote $x^3-3x-3=0$, prove that $10^x<127$
+10 09:31 upvote Decomposition of graph
+10 00:22 upvote Geometry triangle question
+10 00:08 upvote $P[X=Y]=0$ if $X,Y$ are i.i.d. with continuous c.d.f.
+2 22:19 accept If $f(x)\to 0$ as $x\to\infty$ and $f''$ is bounded, show that $f'(x)\to0$ as $x\to\infty$
+1 21:18 3 events Show groups of symmetries of a cube and a tetrahedron are not conjugate in isometry group.
23:08 upvote Preserving structures
22:49 8 events Which real functions have their higher derivatives tending pointwise to zero?
22:43 upvote Connected metric spaces with disjoint open balls
22:41 4 events If $f(x)\to 0$ as $x\to\infty$ and $f''$ is bounded, show that $f'(x)\to0$ as $x\to\infty$
22:38 2 events If $f(x)\to 0$ as $x\to\infty$ and $f''$ is bounded, show that $f'(x)\to0$ as $x\to\infty$
17:31 upvote Prove the convergence of the sequence.
15:48 upvote When $\int |f|=\left|\int f\right|$ holds?
-2 14:34 3 events How to prove or statements
260 2 days ago
+70 16:26 7 events Find the minimum of $q$.
+45 20:48 4 events what is the diffrence between a term , constant and variable in first order logic languages ?
+35 15:20 3 events Embedding of Tree
+30 15:35 3 events How to prove these two ways give the same numbers?
+25 16:35 2 events Is the the number of generators of a group the number of different generators that one finds if one counts over every generating set of the group?
+20 18:36 2 events Find maximum size of set family, where at least one member has at least one of any three points, but do not contains all those three points
+15 21:37 3 events $\sum \frac{ln(n)}{\sqrt{n^5}}$ test for convergence
+10 18:38 upvote A new prime divides $a^p+1$
+10 03:36 upvote Can every proof by contradiction also be shown without contradiction?
+2 23:49 upvote $P[X=Y]=0$ if $X,Y$ are i.i.d. with continuous c.d.f.
23:53 6 events Why is $\varphi$ called “the most irrational number”?
22:38 5 events Why the terms “unit” and “irreducible”?
-2 23:44 3 events Exercise about prime ideals
100 May 17
125 May 16
225 May 15
260 May 14
180 May 13
225 May 12
215 May 11
275 May 10
170 May 9
230 May 8
80 May 7
245 May 6
205 May 5
140 May 4
75 May 3
140 May 2
305 May 1
225 Apr 30
230 Apr 29
275 Apr 28
93 Apr 27
145 Apr 26
275 Apr 25
275 Apr 24
275 Apr 23
160 Apr 22
80 Apr 21
195 Apr 20
1 2 3 4 5 … 9