186 reputation
4
bio website mathematik.uni-wuerzburg.de/…
location
age 48
visits member for 10 months
seen 2 days ago

I'm a professor of mathematics at the University of W├╝rzburg (Germany). For further infos see my web page.


Feb
22
answered Normal subgroups of finite solvable groups
Jun
14
comment Bunyakovsky conjecture
I believe there is something wrong in Hagen's answer: Pick $f(X)=X(X-3)+1$. Then $\lvert f(3)\rvert=1=k$, but $3>2=\lvert f(0)\rvert+k$.
Jun
14
answered Bunyakovsky conjecture
Jun
14
awarded  Revival
Jun
14
awarded  Supporter
Jun
14
awarded  Teacher
Jun
14
awarded  Editor
Jun
14
comment Covering a group with the conjugates of two subgroups related by an automorphism
Thanks, sorry, as you apparently expected I meant to say `no'. Fixed now.
Jun
14
revised Covering a group with the conjugates of two subgroups related by an automorphism
deleted 1 characters in body
Jun
14
answered Covering a group with the conjugates of two subgroups related by an automorphism