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Dietrich Burde's user avatar
Dietrich Burde's user avatar
Dietrich Burde
  • Member for 13 years, 6 months
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  • Austria
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58
Modern Mathematical Achievements Accessible to Undergraduates
May 6, 2013
answer
35
Which integers can be expressed as a sum of three cubes in infinitely many ways?
Aug 8, 2013
question
25
Is the sequence of partition numbers log-concave?
Aug 1, 2013
question
23
Why is $(\mathbb{Z}/3\mathbb{Z})^3$ not a class group of an imaginary quadratic number field ?
Jun 5, 2013
question
22
Are all free groups linear, i.e., admit a faithful representation to GL(n,K) for some field K ?
Mar 19, 2013
answer
20
Algebraic Groups in Characteristic p
Oct 19, 2013
answer
20
Are there only finitely many associative algebras of fixed dimension?
Jun 17, 2014
answer
19
Mathematicians who made important contributions outside their own field?
Jul 4, 2014
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18
How many three dimensional real Lie algebras are there?
May 9, 2014
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16
Are there proofs that you feel you did not "understand" for a long time?
May 17, 2013
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47
Normal subgroups of dihedral groups
46
How is the logarithm of an integer analogous to the degree of a polynomial?
45
Complete classification of the groups for which converse of Lagrange's Theorem holds
43
Do commuting matrices share the same eigenvectors?
38
Let $A=(a_{ij})$ be an $n\times n$ matrix. Suppose that $A^2$ is diagonal. Must $A$ be diagonal?