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Tobias Kildetoft

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Top Questions
51 votes

Polynomial with the primes as coefficients irreducible?

polynomials nt.number-theory asked Mar 13, 2010 at 20:15
mathoverflow.net

39 votes

Sudokus as composition tables of finite groups

group-theory finite-groups sudoku asked Feb 20, 2013 at 16:13
math.stackexchange.com

21 votes

Has this "generalized semidirect product" been studied?

group-theory finite-groups asked Feb 10, 2012 at 10:53
math.stackexchange.com

21 votes

Where to look for corrections of papers?

soft-question publishing peer-review math-communication asked Jun 3, 2013 at 13:03
mathoverflow.net

20 votes

What makes the amenability of Thompsons group $F$ such a tricky problem?

gr.group-theory soft-question amenability asked Nov 13, 2014 at 8:20
mathoverflow.net

18 votes

What happened to the fourth paper in the series "On the classification of primitive ideals for complex classical Lie algebras" by Garfinkle?

reference-request rt.representation-theory lie-algebras asked Nov 10, 2015 at 7:47
mathoverflow.net

16 votes

Can torsion in the fundamental group happen in "the real world"

algebraic-topology cw-complexes asked Jan 8, 2014 at 9:18
math.stackexchange.com

13 votes

Is this a well-known bound for the derived length of a finite group?

gr.group-theory rt.representation-theory finite-groups asked Jul 29, 2010 at 9:29
mathoverflow.net

9 votes

Is time from acceptance to publication purely a matter of space issues?

publications journals asked Sep 23, 2016 at 9:33
academia.stackexchange.com

9 votes

Definition of forgetful functor

ct.category-theory definitions asked Mar 26, 2010 at 11:12
mathoverflow.net

1 2

Top Answers
156
What are the worst notations, in your opinion?
mathoverflow.net

96
How to ask dumb questions
academia.stackexchange.com

68
Why do we define quotient groups for normal subgroups only?
math.stackexchange.com

66
Subgroups of a direct product
math.stackexchange.com

54
When is it acceptable to report classmates who cheat on an exam?
academia.stackexchange.com

48
What to do when you have accidentally submitted an article to a predatory journal
academia.stackexchange.com

42
Does every unital ring contain all the integers?
math.stackexchange.com

38
Paper accepted with no report?
academia.stackexchange.com

35
Finitely generated algebra
math.stackexchange.com

35
Normal subgroup of prime index
math.stackexchange.com

32
Inadmissible theorems in research
academia.stackexchange.com

32
"Natural" example of cosets
math.stackexchange.com

30
What does the plus sign contained in a circle ($\oplus$) mean in this case?
math.stackexchange.com

29
Meaning of 'high-level overview' in a Maths talk?
academia.stackexchange.com

29
Create unique number from 2 numbers
math.stackexchange.com

28
Handling unsolicited proofs of famous mathematical problems
academia.stackexchange.com

27
Are ideals also rings?
math.stackexchange.com

27
If $x^3 =x$ then $6x=0$ in a ring
math.stackexchange.com

25
Finding an uncountable chain of subsets the integers
math.stackexchange.com

24
Group of order $pqr$, $p < q < r$ primes
math.stackexchange.com

24
Relation between root systems and representations of complex semisimple Lie algebras
math.stackexchange.com

23
Journals that publish papers quickly
math.stackexchange.com

23
Difference between bijection and isomorphism?
math.stackexchange.com

22
When is the automorphism group $\text{Aut }G$ cyclic?
math.stackexchange.com

21
What are some noteworthy "mic-drop" moments in math?
mathoverflow.net

21
Why is Euler's Totient function always even?
math.stackexchange.com

21
Nice examples of groups which are not obviously groups
math.stackexchange.com

20
How to find all groups that have exactly 3 subgroups?
math.stackexchange.com

20
Why is $\sqrt{4} = 2$ and Not $\pm 2$?
math.stackexchange.com

19
For which $n$ is there only one group of order $n$?
mathoverflow.net

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