MathOverflow

Necromancer

 Necromancer
Answer a question more than 60 days later with score of 5 or more. This badge can be awarded multiple times.

earned this badge 28 times.
Counterexamples in algebra?
Awarded Aug 12, 2022 at 20:48
How to write math well?
Awarded Aug 12, 2021 at 11:40
PhD dissertations that solve an established open problem
Awarded Oct 3, 2020 at 13:26
McKay conjecture for finite groups in the simplest case G=GL(2,F_p) ( puzzle: Borel knows about cuspidals)
Awarded Dec 9, 2019 at 0:30
Roots of permutations
Awarded Mar 14, 2019 at 22:50
Why would dim primitive irrep divide size of some conjugacy class ?
Awarded Feb 21, 2019 at 20:25
Historical question concerning Jordan's theorem
Awarded Oct 11, 2017 at 10:29
Which math paper maximizes the ratio (importance)/(length)?
Awarded Jul 4, 2017 at 15:13
Statements in group theory which imply deep results in number theory
Awarded Dec 9, 2016 at 7:04
Can we bound degrees of complex irreps in terms of the average conjugacy class size?
Awarded Oct 3, 2016 at 0:41
Counterexamples in algebra?
Awarded Oct 22, 2015 at 18:49
Faithful characters of finite groups
Awarded Sep 14, 2015 at 7:19
Is there a non-trivial group G isomorphic to Aut(G)?
Awarded Sep 14, 2015 at 1:32
Faithful representations and tensor powers
Awarded Jul 14, 2015 at 16:58
Open problems/questions in representation theory and around?
Awarded Jun 19, 2015 at 15:32
Character-free proof that Frobenius kernel is a normal subgroup?
Awarded Feb 11, 2015 at 12:55
Reference for this theorem in representation theory?
Awarded Feb 6, 2015 at 9:53
Does a referee have to check carefully the proof ?
Awarded Dec 16, 2014 at 16:28
Roots of truncations of $ e^x - 1$
Awarded Aug 22, 2014 at 3:10
Classification of groups in which the centralizer of every non-identity element is cyclic
Awarded Jan 28, 2014 at 4:50
Does every finite nontrivial group have two distinct irreducible representations over the complex numbers of equal degree?
Awarded Dec 23, 2013 at 15:49
abelian sylow-p-subgroups
Awarded Mar 16, 2013 at 1:05
Finite subgroups of unitary groups
Awarded Jan 21, 2013 at 2:05
Classification of finite groups of isometries
Awarded Oct 5, 2012 at 21:05
Is any representation of a finite group defined over the algebraic integers?
Awarded Feb 21, 2012 at 0:20
Representations in characteristic p
Awarded Aug 3, 2011 at 8:20
Feit-Thompson theorem: the Odd order paper
Awarded Jul 14, 2011 at 2:50
What are the connections between pi and prime numbers?
Awarded Jun 29, 2011 at 7:05

Others with this badge