User Dietrich Burde

58 votes

Modern Mathematical Achievements Accessible to Undergraduates

answered May 6, 2013 at 15:51

35 votes

Which integers can be expressed as a sum of three cubes in infinitely many ways?

answered Aug 8, 2013 at 8:28

20 votes

Algebraic Groups in Characteristic p

answered Oct 19, 2013 at 18:53

20 votes

Are there only finitely many associative algebras of fixed dimension?

answered Jun 17, 2014 at 14:05

19 votes

Mathematicians who made important contributions outside their own field?

answered Jul 4, 2014 at 13:29

18 votes

How many three dimensional real Lie algebras are there?

answered May 9, 2014 at 15:28

16 votes

Partitions-sum of divisors identity

answered Apr 9, 2013 at 18:10

16 votes

Are there proofs that you feel you did not "understand" for a long time?

answered May 17, 2013 at 9:26

13 votes

Accepted

On finite groups with same complex-valued character table

answered May 18, 2013 at 19:17

13 votes

sum of three cubes and parametric solutions

answered Apr 6, 2013 at 16:07

13 votes

Awfully sophisticated proof for simple facts

answered Mar 28, 2013 at 10:37

13 votes

Does Anyone Know Anything about the Determinant and/or Inverse of this Matrix?

answered Jul 10, 2013 at 22:13

13 votes

Accepted

Kaplansky's idempotent conjecture for Thompson's group F

answered Feb 24, 2014 at 19:18

12 votes

What is the arithmetic Nullstellensatz?

answered Aug 25, 2014 at 21:02

12 votes

Accepted

Generating function of $p(25n + 24)$

answered Sep 4, 2014 at 11:34

11 votes

Obscure Names in Mathematics

answered Oct 22, 2014 at 18:48

11 votes

Accepted

Why is every deformation of the universal enveloping algebra of a complex semisimple Lie algebra trivial?

answered Jul 24, 2018 at 15:20

11 votes

Accepted

History of profinite groups, when was it first mentioned? What was the original definition?

answered Jul 15, 2013 at 19:08

11 votes

Accepted

Groups as Union of Proper Subgroups: References

answered Jul 25, 2013 at 12:36

11 votes

Accepted

Would Elliott-Halberstam conjecture follow from GRH?

answered Dec 29, 2013 at 19:10

11 votes

When is a Baumslag-Solitar group linear?

answered Apr 3, 2013 at 12:06

10 votes

Applications of n-dimensional crystallographic groups

answered Mar 26, 2013 at 10:38

10 votes

Question about ring of integers of cyclotomic field

answered Sep 5, 2013 at 8:42

10 votes

Square root in complex reductive groups

answered Aug 16, 2017 at 13:17

10 votes

When is the integral group ring Noetherian?

answered Apr 10, 2015 at 14:04

10 votes

Is $\mathcal M _{g,n}$ anabelian?

answered Mar 19, 2015 at 21:11

10 votes

Which nilpotent Lie algebras appear as nilradicals of parabolic subalgabras?

answered Mar 3, 2014 at 16:31

9 votes

Which finite p-groups occur as commutators of finite p-groups?

answered Oct 22, 2014 at 9:27

9 votes

Affine structures

answered Aug 11, 2014 at 8:03

9 votes

Can you efficiently solve a system of quadratic multivariate polynomials?

answered Jan 3, 2014 at 12:16

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216 Answers

Modern Mathematical Achievements Accessible to Undergraduates

Which integers can be expressed as a sum of three cubes in infinitely many ways?

Algebraic Groups in Characteristic p

Are there only finitely many associative algebras of fixed dimension?

Mathematicians who made important contributions outside their own field?

How many three dimensional real Lie algebras are there?

Partitions-sum of divisors identity

Are there proofs that you feel you did not "understand" for a long time?

On finite groups with same complex-valued character table

sum of three cubes and parametric solutions

Awfully sophisticated proof for simple facts

Does Anyone Know Anything about the Determinant and/or Inverse of this Matrix?

Kaplansky's idempotent conjecture for Thompson's group F

What is the arithmetic Nullstellensatz?

Generating function of $p(25n + 24)$

Obscure Names in Mathematics

Why is every deformation of the universal enveloping algebra of a complex semisimple Lie algebra trivial?

History of profinite groups, when was it first mentioned? What was the original definition?

Groups as Union of Proper Subgroups: References

Would Elliott-Halberstam conjecture follow from GRH?

When is a Baumslag-Solitar group linear?

Applications of n-dimensional crystallographic groups

Question about ring of integers of cyclotomic field

Square root in complex reductive groups

When is the integral group ring Noetherian?

Is $\mathcal M _{g,n}$ anabelian?

Which nilpotent Lie algebras appear as nilradicals of parabolic subalgabras?

Which finite p-groups occur as commutators of finite p-groups?

Affine structures

Can you efficiently solve a system of quadratic multivariate polynomials?