Dietrich Burde's user avatar
Dietrich Burde's user avatar
Dietrich Burde's user avatar
Dietrich Burde
  • Member for 12 years, 10 months
  • Last seen more than a week ago
  • Austria
25 votes
3 answers
2k views

Is the sequence of partition numbers log-concave?

22 votes
3 answers
2k views

Why is $(\mathbb{Z}/3\mathbb{Z})^3$ not a class group of an imaginary quadratic number field ?

22 votes
3 answers
3k views

Are all free groups linear, i.e., admit a faithful representation to GL(n,K) for some field K ?

14 votes
1 answer
1k views

Examples of polynomial rings $A[x]$ with relatively large Krull dimension

11 votes
1 answer
303 views

Homotopes of simple Lie algebras

9 votes
0 answers
243 views

Good bounds for the number of $n$-dimensional crystallographic groups ?

9 votes
0 answers
585 views

Does Hasse-Minkowski help to produce nontrivial rational solutions?

8 votes
0 answers
395 views

When does the Lloyd polynomial have only integral roots?

7 votes
1 answer
630 views

Existence of a generalized matrix inverse over an arbitrary field?

6 votes
4 answers
576 views

Is the conjugacy problem solvable in $Out(F_n)$?

5 votes
1 answer
324 views

Are all dinilpotent groups solvable, i.e., groups G=AB with nilpotent subgroups A, B ?

5 votes
2 answers
235 views

Are the Gessel sequence integers composite for all $n\ge 3$?