As of May 31, 2023, we have updated our Code of Conduct.
MathOverflow
Derek Holt's user avatar
Derek Holt's user avatar
Derek Holt's user avatar
Derek Holt
  • Member for 12 years, 8 months
  • Last seen more than 5 years ago
Profile Activity
Stats
35,561
reputation
562
reached
1
answer
1
question
Communities
Badges
View all badges
This user doesn’t have any gold badges yet.
12
silver badges
4
bronze badges
Top tags
0
Score
2
Posts
100
Posts %
0
Score
1
Posts
50
Posts %
0
Score
1
Posts
50
Posts %
0
Score
1
Posts
50
Posts %
0
Score
1
Posts
50
Posts %
Top posts
All Questions Answers
Score Newest
question
12
Undelete request, Question 290941
Jan 18, 2018
answer
0
Requests for reopen and undelete votes for closed and deleted questions
Jan 18, 2018
Top network posts
View all network posts
46
How much of the ATLAS of finite groups is independently checked and/or computer verified?
43
Does a finite simple group of order divisible by $60$ have $A_{5}$ as a subgroup?
40
How many square roots can a non-identity element in a group have?
37
When does every group with order divisible by $n$ have a subgroup of order $n$?
34
Are there any nontrivial ring homomorphisms $M_{n+1}(R)\rightarrow M_n(R)$?

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.